13267564377320 has 64 divisors (see below), whose sum is σ = 32870193595200. Its totient is φ = 4779479418880.

The previous prime is 13267564377317. The next prime is 13267564377371. The reversal of 13267564377320 is 2377346576231.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140857385 + ... + 140951544.

It is an arithmetic number, because the mean of its divisors is an integer number (513596774925).

Almost surely, 2^{13267564377320} is an apocalyptic number.

13267564377320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13267564377320 is an abundant number, since it is smaller than the sum of its proper divisors (19602629217880).

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

13267564377320 is a wasteful number, since it uses less digits than its factorization.

13267564377320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281809058 (or 281809054 counting only the distinct ones).

The product of its (nonzero) digits is 26671680, while the sum is 56.

Subtracting from 13267564377320 its reverse (2377346576231), we obtain a square (10890217801089 = 3300033²).

The spelling of 13267564377320 in words is "thirteen trillion, two hundred sixty-seven billion, five hundred sixty-four million, three hundred seventy-seven thousand, three hundred twenty".