15204345255 has 48 divisors (see below), whose sum is σ = 28894694400. Its totient is φ = 7334712000.

The previous prime is 15204345251. The next prime is 15204345257. The reversal of 15204345255 is 55254340251.

15204345255 is a `hidden beast` number, since 1 + 520 + 4 + 34 + 52 + 55 = 666.

It is not a de Polignac number, because 15204345255 - 2² = 15204345251 is a prime.

It is a super-2 number, since 2×15204345255² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15204345251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21330 + ... + 175680.

It is an arithmetic number, because the mean of its divisors is an integer number (601972800).

Almost surely, 2^15204345255 is an apocalyptic number.

15204345255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15204345255 is a deficient number, since it is larger than the sum of its proper divisors (13690349145).

15204345255 is a wasteful number, since it uses less digits than its factorization.

15204345255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154572 (or 154569 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 15204345255 in words is "fifteen billion, two hundred four million, three hundred forty-five thousand, two hundred fifty-five".