11690641875 has 90 divisors (see below), whose sum is σ = 21504619444. Its totient is φ = 5643220000.

The previous prime is 11690641861. The next prime is 11690641913. The reversal of 11690641875 is 57814609611.

It is a happy number.

It is not a de Polignac number, because 11690641875 - 2⁶ = 11690641811 is a prime.

It is a super-2 number, since 2×11690641875² (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 89 ways as a sum of consecutive naturals, for example, 51500512 + ... + 51500738.

Almost surely, 2^11690641875 is an apocalyptic number.

11690641875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11690641875 is a deficient number, since it is larger than the sum of its proper divisors (9813977569).

11690641875 is an frugal number, since it uses more digits than its factorization.

11690641875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 48.

Multiplying 11690641875 by its sum of digits (48), we get a square (561150810000 = 749100²).

The spelling of 11690641875 in words is "eleven billion, six hundred ninety million, six hundred forty-one thousand, eight hundred seventy-five".