11761897275 has 96 divisors (see below), whose sum is σ = 23066380800. Its totient is φ = 5858697600.

The previous prime is 11761897249. The next prime is 11761897291. The reversal of 11761897275 is 57279816711.

11761897275 is a `hidden beast` number, since 1 + 17 + 618 + 9 + 7 + 2 + 7 + 5 = 666.

It is not a de Polignac number, because 11761897275 - 2⁸ = 11761897019 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 904117 + ... + 917033.

It is an arithmetic number, because the mean of its divisors is an integer number (240274800).

Almost surely, 2^11761897275 is an apocalyptic number.

11761897275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11761897275 is a deficient number, since it is larger than the sum of its proper divisors (11304483525).

11761897275 is a wasteful number, since it uses less digits than its factorization.

11761897275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13026 (or 13015 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 54.

The spelling of 11761897275 in words is "eleven billion, seven hundred sixty-one million, eight hundred ninety-seven thousand, two hundred seventy-five".