15338742156 has 36 divisors (see below), whose sum is σ = 38776860304. Its totient is φ = 5112396000.

The previous prime is 15338742149. The next prime is 15338742191. The reversal of 15338742156 is 65124783351.

It is a happy number.

15338742156 is a `hidden beast` number, since 1 + 53 + 387 + 4 + 215 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 535806 + ... + 563706.

Almost surely, 2^15338742156 is an apocalyptic number.

It is an amenable number.

15338742156 is an abundant number, since it is smaller than the sum of its proper divisors (23438118148).

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

15338742156 is a wasteful number, since it uses less digits than its factorization.

15338742156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43182 (or 43177 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The spelling of 15338742156 in words is "fifteen billion, three hundred thirty-eight million, seven hundred forty-two thousand, one hundred fifty-six".