3125205432113 has 4 divisors (see below), whose sum is σ = 3289689928560. Its totient is φ = 2960720935668.

The previous prime is 3125205432071. The next prime is 3125205432131. The reversal of 3125205432113 is 3112345025213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3125205432113 - 2³² = 3120910464817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3125205432113.

It is not an unprimeable number, because it can be changed into a prime (3125205432163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82242248195 + ... + 82242248232.

It is an arithmetic number, because the mean of its divisors is an integer number (822422482140).

Almost surely, 2^{3125205432113} is an apocalyptic number.

It is an amenable number.

3125205432113 is a deficient number, since it is larger than the sum of its proper divisors (164484496447).

3125205432113 is a wasteful number, since it uses less digits than its factorization.

3125205432113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164484496446.

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 3125205432113 in words is "three trillion, one hundred twenty-five billion, two hundred five million, four hundred thirty-two thousand, one hundred thirteen".