15685227116 has 12 divisors (see below), whose sum is σ = 29560620432. Its totient is φ = 7239335568.

The previous prime is 15685227097. The next prime is 15685227127. The reversal of 15685227116 is 61172258651.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150819440 + ... + 150819543.

It is an arithmetic number, because the mean of its divisors is an integer number (2463385036).

Almost surely, 2^15685227116 is an apocalyptic number.

It is an amenable number.

15685227116 is a deficient number, since it is larger than the sum of its proper divisors (13875393316).

15685227116 is a wasteful number, since it uses less digits than its factorization.

15685227116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301639000 (or 301638998 counting only the distinct ones).

The product of its digits is 201600, while the sum is 44.

The spelling of 15685227116 in words is "fifteen billion, six hundred eighty-five million, two hundred twenty-seven thousand, one hundred sixteen".