15161655232 has 28 divisors (see below), whose sum is σ = 30212324640. Its totient is φ = 7549101056.

The previous prime is 15161655227. The next prime is 15161655277. The reversal of 15161655232 is 23255616151.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 15161655191 and 15161655200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480313 + ... + 510904.

Almost surely, 2^15161655232 is an apocalyptic number.

It is an amenable number.

15161655232 is a deficient number, since it is larger than the sum of its proper divisors (15050669408).

15161655232 is an equidigital number, since it uses as much as digits as its factorization.

15161655232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991468 (or 991458 counting only the distinct ones).

The product of its digits is 54000, while the sum is 37.

The spelling of 15161655232 in words is "fifteen billion, one hundred sixty-one million, six hundred fifty-five thousand, two hundred thirty-two".