15042261656 has 32 divisors (see below), whose sum is σ = 28645896240. Its totient is φ = 7403518848.

The previous prime is 15042261629. The next prime is 15042261683. The reversal of 15042261656 is 65616224051.

It is an interprime number because it is at equal distance from previous prime (15042261629) and next prime (15042261683).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 790850 + ... + 809646.

Almost surely, 2^15042261656 is an apocalyptic number.

It is an amenable number.

15042261656 is a deficient number, since it is larger than the sum of its proper divisors (13603634584).

15042261656 is a wasteful number, since it uses less digits than its factorization.

15042261656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20363 (or 20359 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 15042261656 in words is "fifteen billion, forty-two million, two hundred sixty-one thousand, six hundred fifty-six".