155324420415 has 12 divisors (see below), whose sum is σ = 269228995464. Its totient is φ = 82839690864.

The previous prime is 155324420401. The next prime is 155324420417. The reversal of 155324420415 is 514024423551.

155324420415 is a `hidden beast` number, since 1 + 553 + 2 + 44 + 20 + 41 + 5 = 666.

It is not a de Polignac number, because 155324420415 - 2¹⁰ = 155324419391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155324420415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155324420417) 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 11 ways as a sum of consecutive naturals, for example, 1725826849 + ... + 1725826938.

It is an arithmetic number, because the mean of its divisors is an integer number (22435749622).

Almost surely, 2^155324420415 is an apocalyptic number.

155324420415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

155324420415 is a deficient number, since it is larger than the sum of its proper divisors (113904575049).

155324420415 is a wasteful number, since it uses less digits than its factorization.

155324420415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3451653798 (or 3451653795 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 155324420415 its reverse (514024423551), we get a palindrome (669348843966).

The spelling of 155324420415 in words is "one hundred fifty-five billion, three hundred twenty-four million, four hundred twenty thousand, four hundred fifteen".