13256701930518 has 16 divisors (see below), whose sum is σ = 26544341332080. Its totient is φ = 4413744398336.

The previous prime is 13256701930513. The next prime is 13256701930543. The reversal of 13256701930518 is 81503910765231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13256701930513) 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, 1289055723 + ... + 1289066006.

It is an arithmetic number, because the mean of its divisors is an integer number (1659021333255).

Almost surely, 2^{13256701930518} is an apocalyptic number.

13256701930518 is an abundant number, since it is smaller than the sum of its proper divisors (13287639401562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13256701930518 is a wasteful number, since it uses less digits than its factorization.

13256701930518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578122591.

The product of its (nonzero) digits is 1360800, while the sum is 51.

The spelling of 13256701930518 in words is "thirteen trillion, two hundred fifty-six billion, seven hundred one million, nine hundred thirty thousand, five hundred eighteen".