125043113013 has 48 divisors (see below), whose sum is σ = 206903255040. Its totient is φ = 65772412992.

The previous prime is 125043113011. The next prime is 125043113071. The reversal of 125043113013 is 310311340521.

It is not a de Polignac number, because 125043113013 - 2¹ = 125043113011 is a prime.

It is a super-2 number, since 2×125043113013² (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 (125043113011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1225020 + ... + 1323162.

It is an arithmetic number, because the mean of its divisors is an integer number (4310484480).

Almost surely, 2^125043113013 is an apocalyptic number.

125043113013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

125043113013 is a deficient number, since it is larger than the sum of its proper divisors (81860142027).

125043113013 is a wasteful number, since it uses less digits than its factorization.

125043113013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98538 (or 98525 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 125043113013 its reverse (310311340521), we get a palindrome (435354453534).

The spelling of 125043113013 in words is "one hundred twenty-five billion, forty-three million, one hundred thirteen thousand, thirteen".