157609939512 has 16 divisors (see below), whose sum is σ = 394024848840. Its totient is φ = 52536646496.

The previous prime is 157609939511. The next prime is 157609939517. The reversal of 157609939512 is 215939906751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157609939511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3283540383 + ... + 3283540430.

Almost surely, 2^157609939512 is an apocalyptic number.

157609939512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157609939512 is an abundant number, since it is smaller than the sum of its proper divisors (236414909328).

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

157609939512 is a wasteful number, since it uses less digits than its factorization.

157609939512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6567080822 (or 6567080818 counting only the distinct ones).

The product of its (nonzero) digits is 4592700, while the sum is 57.

The spelling of 157609939512 in words is "one hundred fifty-seven billion, six hundred nine million, nine hundred thirty-nine thousand, five hundred twelve".