12513263756358 has 64 divisors (see below), whose sum is σ = 26979255636480. Its totient is φ = 3857327712000.

The previous prime is 12513263756351. The next prime is 12513263756359. The reversal of 12513263756358 is 85365736231521.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 12513263756298 and 12513263756307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12513263756351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6835935 + ... + 8470922.

It is an arithmetic number, because the mean of its divisors is an integer number (421550869320).

Almost surely, 2^{12513263756358} is an apocalyptic number.

12513263756358 is an abundant number, since it is smaller than the sum of its proper divisors (14465991880122).

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

12513263756358 is a wasteful number, since it uses less digits than its factorization.

12513263756358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15307053.

The product of its digits is 27216000, while the sum is 57.

Adding to 12513263756358 its reverse (85365736231521), we get a palindrome (97878999987879).

The spelling of 12513263756358 in words is "twelve trillion, five hundred thirteen billion, two hundred sixty-three million, seven hundred fifty-six thousand, three hundred fifty-eight".