15226572701231 has 2 divisors, whose sum is σ = 15226572701232. Its totient is φ = 15226572701230.

The previous prime is 15226572701167. The next prime is 15226572701239. The reversal of 15226572701231 is 13210727562251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15226572701231 - 2⁶ = 15226572701167 is a prime.

It is a super-2 number, since 2×15226572701231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15226572701239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7613286350615 + 7613286350616.

It is an arithmetic number, because the mean of its divisors is an integer number (7613286350616).

Almost surely, 2^{15226572701231} is an apocalyptic number.

15226572701231 is a deficient number, since it is larger than the sum of its proper divisors (1).

15226572701231 is an equidigital number, since it uses as much as digits as its factorization.

15226572701231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 15226572701231 in words is "fifteen trillion, two hundred twenty-six billion, five hundred seventy-two million, seven hundred one thousand, two hundred thirty-one".