15044890012 has 12 divisors (see below), whose sum is σ = 26624384640. Its totient is φ = 7437922976.

The previous prime is 15044889991. The next prime is 15044890033. The reversal of 15044890012 is 21009844051.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (15044889991) and next prime (15044890033).

It is a self number, because there is not a number n which added to its sum of digits gives 15044890012.

It is a congruent number.

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, 21130108 + ... + 21130819.

It is an arithmetic number, because the mean of its divisors is an integer number (2218698720).

Almost surely, 2^15044890012 is an apocalyptic number.

It is an amenable number.

15044890012 is a deficient number, since it is larger than the sum of its proper divisors (11579494628).

15044890012 is a wasteful number, since it uses less digits than its factorization.

15044890012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42261020 (or 42261018 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 15044890012 in words is "fifteen billion, forty-four million, eight hundred ninety thousand, twelve".