11397353472 has 78 divisors (see below), whose sum is σ = 32921775042. Its totient is φ = 3799105536.

The previous prime is 11397353447. The next prime is 11397353477. The reversal of 11397353472 is 27435379311.

11397353472 is a `hidden beast` number, since 11 + 39 + 7 + 3 + 534 + 72 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11273342976 + 124010496 = 106176^2 + 11136^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11397353477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117723 + ... + 191450.

It is an arithmetic number, because the mean of its divisors is an integer number (422074039).

Almost surely, 2^11397353472 is an apocalyptic number.

11397353472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11397353472 is an abundant number, since it is smaller than the sum of its proper divisors (21524421570).

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

11397353472 is an equidigital number, since it uses as much as digits as its factorization.

11397353472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309203 (or 309178 counting only the distinct ones).

The product of its digits is 476280, while the sum is 45.

The spelling of 11397353472 in words is "eleven billion, three hundred ninety-seven million, three hundred fifty-three thousand, four hundred seventy-two".