11397646404 has 60 divisors (see below), whose sum is σ = 29807068368. Its totient is φ = 3797766000.

The previous prime is 11397646391. The next prime is 11397646409. The reversal of 11397646404 is 40464679311.

11397646404 is a `hidden beast` number, since 1 + 139 + 76 + 46 + 404 = 666.

It is a super-2 number, since 2×11397646404² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11397646404.

It is not an unprimeable number, because it can be changed into a prime (11397646409) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1152079 + ... + 1161929.

Almost surely, 2^11397646404 is an apocalyptic number.

It is an amenable number.

11397646404 is an abundant number, since it is smaller than the sum of its proper divisors (18409421964).

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

11397646404 is a wasteful number, since it uses less digits than its factorization.

11397646404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13438 (or 13427 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 11397646404 in words is "eleven billion, three hundred ninety-seven million, six hundred forty-six thousand, four hundred four".