125412511023 has 12 divisors (see below), whose sum is σ = 181268826960. Its totient is φ = 83554145856.

The previous prime is 125412511013. The next prime is 125412511031. The reversal of 125412511023 is 320115214521.

It is a happy number.

125412511023 is a `hidden beast` number, since 1 + 2 + 541 + 2 + 5 + 110 + 2 + 3 = 666.

It is not a de Polignac number, because 125412511023 - 2²¹ = 125410413871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125412511013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4501578 + ... + 4529351.

It is an arithmetic number, because the mean of its divisors is an integer number (15105735580).

Almost surely, 2^125412511023 is an apocalyptic number.

125412511023 is a deficient number, since it is larger than the sum of its proper divisors (55856315937).

125412511023 is a wasteful number, since it uses less digits than its factorization.

125412511023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9032478 (or 9032475 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 125412511023 its reverse (320115214521), we get a palindrome (445527725544).

The spelling of 125412511023 in words is "one hundred twenty-five billion, four hundred twelve million, five hundred eleven thousand, twenty-three".