155840103853 has 8 divisors (see below), whose sum is σ = 178363747008. Its totient is φ = 133381653504.

The previous prime is 155840103841. The next prime is 155840103919. The reversal of 155840103853 is 358301048551.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155840103853 - 2²⁹ = 155303232941 is a prime.

It is a super-2 number, since 2×155840103853² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155840103253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16293076 + ... + 16302637.

It is an arithmetic number, because the mean of its divisors is an integer number (22295468376).

Almost surely, 2^155840103853 is an apocalyptic number.

It is an amenable number.

155840103853 is a deficient number, since it is larger than the sum of its proper divisors (22523643155).

155840103853 is an equidigital number, since it uses as much as digits as its factorization.

155840103853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32596403.

The product of its (nonzero) digits is 288000, while the sum is 43.

The spelling of 155840103853 in words is "one hundred fifty-five billion, eight hundred forty million, one hundred three thousand, eight hundred fifty-three".