11697574688 has 12 divisors (see below), whose sum is σ = 23029600230. Its totient is φ = 5848787328.

The previous prime is 11697574687. The next prime is 11697574697. The reversal of 11697574688 is 88647579611.

It can be written as a sum of positive squares in only one way, i.e., 7852086544 + 3845488144 = 88612^2 + 62012^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11697574688.

It is not an unprimeable number, because it can be changed into a prime (11697574687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182774573 + ... + 182774636.

Almost surely, 2^11697574688 is an apocalyptic number.

It is an amenable number.

11697574688 is a deficient number, since it is larger than the sum of its proper divisors (11332025542).

11697574688 is an equidigital number, since it uses as much as digits as its factorization.

11697574688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365549219 (or 365549211 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 62.

The spelling of 11697574688 in words is "eleven billion, six hundred ninety-seven million, five hundred seventy-four thousand, six hundred eighty-eight".