15725560401456 has 80 divisors (see below), whose sum is σ = 41318281219680. Its totient is φ = 5152996710400.

The previous prime is 15725560401451. The next prime is 15725560401457. The reversal of 15725560401456 is 65410406552751.

It is a junction number, because it is equal to n+sod(n) for n = 15725560401399 and 15725560401408.

It is not an unprimeable number, because it can be changed into a prime (15725560401451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9899895 + ... + 11378006.

It is an arithmetic number, because the mean of its divisors is an integer number (516478515246).

Almost surely, 2^{15725560401456} is an apocalyptic number.

15725560401456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15725560401456 is an abundant number, since it is smaller than the sum of its proper divisors (25592720818224).

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

15725560401456 is a wasteful number, since it uses less digits than its factorization.

15725560401456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21278174 (or 21278168 counting only the distinct ones).

The product of its (nonzero) digits is 5040000, while the sum is 51.

The spelling of 15725560401456 in words is "fifteen trillion, seven hundred twenty-five billion, five hundred sixty million, four hundred one thousand, four hundred fifty-six".