15012265136 has 40 divisors (see below), whose sum is σ = 31880929728. Its totient is φ = 6791400000.

The previous prime is 15012265133. The next prime is 15012265181. The reversal of 15012265136 is 63156221051.

It is a super-2 number, since 2×15012265136² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15012265133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164990 + ... + 239261.

Almost surely, 2^15012265136 is an apocalyptic number.

15012265136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15012265136 is an abundant number, since it is smaller than the sum of its proper divisors (16868664592).

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

15012265136 is a wasteful number, since it uses less digits than its factorization.

15012265136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404481 (or 404475 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

Adding to 15012265136 its reverse (63156221051), we get a palindrome (78168486187).

The spelling of 15012265136 in words is "fifteen billion, twelve million, two hundred sixty-five thousand, one hundred thirty-six".