15025044012 has 48 divisors (see below), whose sum is σ = 38624269824. Its totient is φ = 4507960000.

The previous prime is 15025044011. The next prime is 15025044019. The reversal of 15025044012 is 21044052051.

It is a super-2 number, since 2×15025044012² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15025044011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550164 + ... + 576827.

It is an arithmetic number, because the mean of its divisors is an integer number (804672288).

Almost surely, 2^15025044012 is an apocalyptic number.

15025044012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15025044012 is an abundant number, since it is smaller than the sum of its proper divisors (23599225812).

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

15025044012 is a wasteful number, since it uses less digits than its factorization.

15025044012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127110 (or 1127108 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 15025044012 its reverse (21044052051), we get a palindrome (36069096063).

The spelling of 15025044012 in words is "fifteen billion, twenty-five million, forty-four thousand, twelve".