125023220155522 has 16 divisors (see below), whose sum is σ = 201962195459640. Its totient is φ = 57702564957312.

The previous prime is 125023220155499. The next prime is 125023220155523. The reversal of 125023220155522 is 225551022320521.

It can be written as a sum of positive squares in 4 ways, for example, as 85175197779681 + 39848022375841 = 9229041^2 + 6312529^2 .

It is a super-2 number, since 2×125023220155522² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125023220155523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15818293 + ... + 22366600.

Almost surely, 2^{125023220155522} is an apocalyptic number.

125023220155522 is a deficient number, since it is larger than the sum of its proper divisors (76938975304118).

125023220155522 is a wasteful number, since it uses less digits than its factorization.

125023220155522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38310837.

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 125023220155522 in words is "one hundred twenty-five trillion, twenty-three billion, two hundred twenty million, one hundred fifty-five thousand, five hundred twenty-two".