125513202013 has 8 divisors (see below), whose sum is σ = 128770113600. Its totient is φ = 122293942848.

The previous prime is 125513201927. The next prime is 125513202047. The reversal of 125513202013 is 310202315521.

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

It is a cyclic number.

It is not a de Polignac number, because 125513202013 - 2³³ = 116923267421 is a prime.

It is a super-2 number, since 2×125513202013² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125513202053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9406353 + ... + 9419686.

It is an arithmetic number, because the mean of its divisors is an integer number (16096264200).

Almost surely, 2^125513202013 is an apocalyptic number.

It is an amenable number.

125513202013 is a deficient number, since it is larger than the sum of its proper divisors (3256911587).

125513202013 is a wasteful number, since it uses less digits than its factorization.

125513202013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18826211.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 125513202013 its reverse (310202315521), we get a palindrome (435715517534).

The spelling of 125513202013 in words is "one hundred twenty-five billion, five hundred thirteen million, two hundred two thousand, thirteen".