15005521125212 has 24 divisors (see below), whose sum is σ = 27782062917840. Its totient is φ = 7071797819520.

The previous prime is 15005521125157. The next prime is 15005521125229. The reversal of 15005521125212 is 21252112550051.

It is a congruent number.

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, 501104489 + ... + 501134432.

It is an arithmetic number, because the mean of its divisors is an integer number (1157585954910).

Almost surely, 2^{15005521125212} is an apocalyptic number.

It is an amenable number.

15005521125212 is a deficient number, since it is larger than the sum of its proper divisors (12776541792628).

15005521125212 is a wasteful number, since it uses less digits than its factorization.

15005521125212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002239141 (or 1002239139 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 32.

Adding to 15005521125212 its reverse (21252112550051), we get a palindrome (36257633675263).

The spelling of 15005521125212 in words is "fifteen trillion, five billion, five hundred twenty-one million, one hundred twenty-five thousand, two hundred twelve".