15213430255456 has 24 divisors (see below), whose sum is σ = 30760939218240. Its totient is φ = 7401128231808.

The previous prime is 15213430255453. The next prime is 15213430255501. The reversal of 15213430255456 is 65455203431251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15213430255453) 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 3 ways as a sum of consecutive naturals, for example, 6424589296 + ... + 6424591663.

It is an arithmetic number, because the mean of its divisors is an integer number (1281705800760).

Almost surely, 2^{15213430255456} is an apocalyptic number.

15213430255456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15213430255456 is an abundant number, since it is smaller than the sum of its proper divisors (15547508962784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15213430255456 is a wasteful number, since it uses less digits than its factorization.

15213430255456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12849181006 (or 12849180998 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 46.

The spelling of 15213430255456 in words is "fifteen trillion, two hundred thirteen billion, four hundred thirty million, two hundred fifty-five thousand, four hundred fifty-six".