15090909216 has 48 divisors (see below), whose sum is σ = 39630596544. Its totient is φ = 5028149504.

The previous prime is 15090909199. The next prime is 15090909227. The reversal of 15090909216 is 61290909051.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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, 200170 + ... + 265046.

It is an arithmetic number, because the mean of its divisors is an integer number (825637428).

Almost surely, 2^15090909216 is an apocalyptic number.

15090909216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15090909216 is an abundant number, since it is smaller than the sum of its proper divisors (24539687328).

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

15090909216 is a wasteful number, since it uses less digits than its factorization.

15090909216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67313 (or 67305 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 42.

The spelling of 15090909216 in words is "fifteen billion, ninety million, nine hundred nine thousand, two hundred sixteen".