513870236101 has 4 divisors (see below), whose sum is σ = 525820706752. Its totient is φ = 501919765452.

The previous prime is 513870236063. The next prime is 513870236111. The reversal of 513870236101 is 101632078315.

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 513870236101 - 2²⁹ = 513333365189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513870236111) 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, 5975235261 + ... + 5975235346.

It is an arithmetic number, because the mean of its divisors is an integer number (131455176688).

Almost surely, 2^513870236101 is an apocalyptic number.

It is an amenable number.

513870236101 is a deficient number, since it is larger than the sum of its proper divisors (11950470651).

513870236101 is a wasteful number, since it uses less digits than its factorization.

513870236101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11950470650.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 513870236101 in words is "five hundred thirteen billion, eight hundred seventy million, two hundred thirty-six thousand, one hundred one".