15319539212 has 12 divisors (see below), whose sum is σ = 26815515216. Its totient is φ = 7657963440.

The previous prime is 15319539199. The next prime is 15319539343. The reversal of 15319539212 is 21293591351.

It is a zygodrome in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 15319539212.

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, 432368 + ... + 466455.

It is an arithmetic number, because the mean of its divisors is an integer number (2234626268).

Almost surely, 2^15319539212 is an apocalyptic number.

It is an amenable number.

15319539212 is a deficient number, since it is larger than the sum of its proper divisors (11495976004).

15319539212 is a wasteful number, since it uses less digits than its factorization.

15319539212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903088 (or 903086 counting only the distinct ones).

The product of its digits is 72900, while the sum is 41.

The spelling of 15319539212 in words is "fifteen billion, three hundred nineteen million, five hundred thirty-nine thousand, two hundred twelve".