11491696755 has 144 divisors (see below), whose sum is σ = 26212702464. Its totient is φ = 4523921280.

The previous prime is 11491696721. The next prime is 11491696813. The reversal of 11491696755 is 55769619411.

11491696755 is a `hidden beast` number, since 11 + 491 + 6 + 96 + 7 + 55 = 666.

It is not a de Polignac number, because 11491696755 - 2¹² = 11491692659 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1246272 + ... + 1255458.

It is an arithmetic number, because the mean of its divisors is an integer number (182032656).

Almost surely, 2^11491696755 is an apocalyptic number.

11491696755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11491696755 is an abundant number, since it is smaller than the sum of its proper divisors (14721005709).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11491696755 is a wasteful number, since it uses less digits than its factorization.

11491696755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9254 (or 9232 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 54.

The spelling of 11491696755 in words is "eleven billion, four hundred ninety-one million, six hundred ninety-six thousand, seven hundred fifty-five".