13378911522 has 16 divisors (see below), whose sum is σ = 28166129760. Its totient is φ = 4224919392.

The previous prime is 13378911509. The next prime is 13378911523. The reversal of 13378911522 is 22511987331.

It is not an unprimeable number, because it can be changed into a prime (13378911523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58679323 + ... + 58679550.

It is an arithmetic number, because the mean of its divisors is an integer number (1760383110).

Almost surely, 2^13378911522 is an apocalyptic number.

13378911522 is an abundant number, since it is smaller than the sum of its proper divisors (14787218238).

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

13378911522 is a wasteful number, since it uses less digits than its factorization.

13378911522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117358897.

The product of its digits is 90720, while the sum is 42.

The spelling of 13378911522 in words is "thirteen billion, three hundred seventy-eight million, nine hundred eleven thousand, five hundred twenty-two".