15542655506 has 32 divisors (see below), whose sum is σ = 27242127360. Its totient is φ = 6512064336.

The previous prime is 15542655487. The next prime is 15542655529. The reversal of 15542655506 is 60555624551.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 591851 + ... + 617553.

It is an arithmetic number, because the mean of its divisors is an integer number (851316480).

Almost surely, 2^15542655506 is an apocalyptic number.

15542655506 is a deficient number, since it is larger than the sum of its proper divisors (11699471854).

15542655506 is a wasteful number, since it uses less digits than its factorization.

15542655506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26678.

The product of its (nonzero) digits is 900000, while the sum is 44.

The spelling of 15542655506 in words is "fifteen billion, five hundred forty-two million, six hundred fifty-five thousand, five hundred six".