125011507623 has 8 divisors (see below), whose sum is σ = 169826953968. Its totient is φ = 81768533184.

The previous prime is 125011507619. The next prime is 125011507631. The reversal of 125011507623 is 326705110521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125011507623 - 2² = 125011507619 is a prime.

It is a super-2 number, since 2×125011507623² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125011507603) 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, 393117790 + ... + 393118107.

It is an arithmetic number, because the mean of its divisors is an integer number (21228369246).

Almost surely, 2^125011507623 is an apocalyptic number.

125011507623 is a deficient number, since it is larger than the sum of its proper divisors (44815446345).

125011507623 is an equidigital number, since it uses as much as digits as its factorization.

125011507623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786235953.

The product of its (nonzero) digits is 12600, while the sum is 33.

The spelling of 125011507623 in words is "one hundred twenty-five billion, eleven million, five hundred seven thousand, six hundred twenty-three".