11056612761 has 24 divisors (see below), whose sum is σ = 16651514880. Its totient is φ = 7060840416.

The previous prime is 11056612733. The next prime is 11056612771. The reversal of 11056612761 is 16721665011.

It is a happy number.

11056612761 is a `hidden beast` number, since 1 + 10 + 566 + 1 + 27 + 61 = 666.

It is not a de Polignac number, because 11056612761 - 2¹¹ = 11056610713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11056612771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133635 + ... + 199928.

It is an arithmetic number, because the mean of its divisors is an integer number (693813120).

Almost surely, 2^11056612761 is an apocalyptic number.

It is an amenable number.

11056612761 is a deficient number, since it is larger than the sum of its proper divisors (5594902119).

11056612761 is a wasteful number, since it uses less digits than its factorization.

11056612761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333725 (or 333722 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The spelling of 11056612761 in words is "eleven billion, fifty-six million, six hundred twelve thousand, seven hundred sixty-one".