11690775764 has 12 divisors (see below), whose sum is σ = 21662319924. Its totient is φ = 5501541504.

The previous prime is 11690775757. The next prime is 11690775773. The reversal of 11690775764 is 46757709611.

It can be written as a sum of positive squares in 2 ways, for example, as 9710525764 + 1980250000 = 98542^2 + 44500^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85961519 + ... + 85961654.

It is an arithmetic number, because the mean of its divisors is an integer number (1805193327).

Almost surely, 2^11690775764 is an apocalyptic number.

It is an amenable number.

11690775764 is a deficient number, since it is larger than the sum of its proper divisors (9971544160).

11690775764 is a wasteful number, since it uses less digits than its factorization.

11690775764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171923194 (or 171923192 counting only the distinct ones).

The product of its (nonzero) digits is 2222640, while the sum is 53.

The spelling of 11690775764 in words is "eleven billion, six hundred ninety million, seven hundred seventy-five thousand, seven hundred sixty-four".