11171792690 has 16 divisors (see below), whose sum is σ = 20115981720. Its totient is φ = 4467216000.

The previous prime is 11171792689. The next prime is 11171792701. The reversal of 11171792690 is 9629717111.

It can be written as a sum of positive squares in 4 ways, for example, as 11111900569 + 59892121 = 105413^2 + 7739^2 .

It is a super-2 number, since 2×11171792690² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156125 + ... + 216144.

Almost surely, 2^11171792690 is an apocalyptic number.

11171792690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11171792690 is a deficient number, since it is larger than the sum of its proper divisors (8944189030).

11171792690 is a wasteful number, since it uses less digits than its factorization.

11171792690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375277.

The product of its (nonzero) digits is 47628, while the sum is 44.

The spelling of 11171792690 in words is "eleven billion, one hundred seventy-one million, seven hundred ninety-two thousand, six hundred ninety".