15659495952 has 40 divisors (see below), whose sum is σ = 40458827136. Its totient is φ = 5219170176.

The previous prime is 15659495941. The next prime is 15659495963. The reversal of 15659495952 is 25959495651.

It is an interprime number because it is at equal distance from previous prime (15659495941) and next prime (15659495963).

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, 493758 + ... + 524514.

Almost surely, 2^15659495952 is an apocalyptic number.

15659495952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15659495952 is an abundant number, since it is smaller than the sum of its proper divisors (24799331184).

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

15659495952 is a wasteful number, since it uses less digits than its factorization.

15659495952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41375 (or 41369 counting only the distinct ones).

The product of its digits is 21870000, while the sum is 60.

The spelling of 15659495952 in words is "fifteen billion, six hundred fifty-nine million, four hundred ninety-five thousand, nine hundred fifty-two".