155431415353001 has 12 divisors (see below), whose sum is σ = 159315954860412. Its totient is φ = 151639390848000.

The previous prime is 155431415352991. The next prime is 155431415353013. The reversal of 155431415353001 is 100353514134551.

It can be written as a sum of positive squares in 6 ways, for example, as 59261913726976 + 96169501626025 = 7698176^2 + 9806605^2 .

It is a de Polignac number, because none of the positive numbers 2^k-155431415353001 is a prime.

It is a super-2 number, since 2×155431415353001² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 155431415353001.

It is not an unprimeable number, because it can be changed into a prime (155431415359001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 424910141 + ... + 425275781.

It is an arithmetic number, because the mean of its divisors is an integer number (13276329571701).

Almost surely, 2^{155431415353001} is an apocalyptic number.

It is an amenable number.

155431415353001 is a deficient number, since it is larger than the sum of its proper divisors (3884539507411).

155431415353001 is an equidigital number, since it uses as much as digits as its factorization.

155431415353001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618604 (or 618563 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 41.

Adding to 155431415353001 its reverse (100353514134551), we get a palindrome (255784929487552).

The spelling of 155431415353001 in words is "one hundred fifty-five trillion, four hundred thirty-one billion, four hundred fifteen million, three hundred fifty-three thousand, one".