15572251505253 has 16 divisors (see below), whose sum is σ = 21858665310720. Its totient is φ = 9833813037936.

The previous prime is 15572251505201. The next prime is 15572251505257. The reversal of 15572251505253 is 35250515227551.

It is not a de Polignac number, because 15572251505253 - 2²⁰ = 15572250456677 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15572251505257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17523375 + ... + 18390572.

It is an arithmetic number, because the mean of its divisors is an integer number (1366166581920).

Almost surely, 2^{15572251505253} is an apocalyptic number.

It is an amenable number.

15572251505253 is a deficient number, since it is larger than the sum of its proper divisors (6286413805467).

15572251505253 is a wasteful number, since it uses less digits than its factorization.

15572251505253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35921576.

The product of its (nonzero) digits is 2625000, while the sum is 48.

The spelling of 15572251505253 in words is "fifteen trillion, five hundred seventy-two billion, two hundred fifty-one million, five hundred five thousand, two hundred fifty-three".