15725093354481 has 64 divisors (see below), whose sum is σ = 24965317836800. Its totient is φ = 8614960416000.

The previous prime is 15725093354473. The next prime is 15725093354491. The reversal of 15725093354481 is 18445339052751.

It is not a de Polignac number, because 15725093354481 - 2³ = 15725093354473 is a prime.

It is a super-2 number, since 2×15725093354481² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15725093354401) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 944385006 + ... + 944401656.

It is an arithmetic number, because the mean of its divisors is an integer number (390083091200).

Almost surely, 2^{15725093354481} is an apocalyptic number.

It is an amenable number.

15725093354481 is a deficient number, since it is larger than the sum of its proper divisors (9240224482319).

15725093354481 is a wasteful number, since it uses less digits than its factorization.

15725093354481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30110.

The product of its (nonzero) digits is 18144000, while the sum is 57.

The spelling of 15725093354481 in words is "fifteen trillion, seven hundred twenty-five billion, ninety-three million, three hundred fifty-four thousand, four hundred eighty-one".