125269226523 has 72 divisors (see below), whose sum is σ = 212710570800. Its totient is φ = 70829531136.

The previous prime is 125269226437. The next prime is 125269226567. The reversal of 125269226523 is 325622962521.

125269226523 is a `hidden beast` number, since 12 + 5 + 2 + 6 + 92 + 26 + 523 = 666.

It is not a de Polignac number, because 125269226523 - 2¹² = 125269222427 is a prime.

It is a super-2 number, since 2×125269226523² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125269226023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 19183323 + ... + 19189851.

Almost surely, 2^125269226523 is an apocalyptic number.

125269226523 is a deficient number, since it is larger than the sum of its proper divisors (87441344277).

125269226523 is a wasteful number, since it uses less digits than its factorization.

125269226523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7001 (or 6991 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The spelling of 125269226523 in words is "one hundred twenty-five billion, two hundred sixty-nine million, two hundred twenty-six thousand, five hundred twenty-three".