11654745057 has 24 divisors (see below), whose sum is σ = 17007011424. Its totient is φ = 7690400064.

The previous prime is 11654745049. The next prime is 11654745077. The reversal of 11654745057 is 75054745611.

11654745057 is a `hidden beast` number, since 1 + 1 + 6 + 547 + 4 + 50 + 57 = 666.

It is not a de Polignac number, because 11654745057 - 2³ = 11654745049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11654745077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1230813 + ... + 1240245.

It is an arithmetic number, because the mean of its divisors is an integer number (708625476).

Almost surely, 2^11654745057 is an apocalyptic number.

It is an amenable number.

11654745057 is a deficient number, since it is larger than the sum of its proper divisors (5352266367).

11654745057 is a wasteful number, since it uses less digits than its factorization.

11654745057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10829 (or 10826 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 45.

It can be divided in two parts, 116547 and 45057, that added together give a square (161604 = 402²).

The spelling of 11654745057 in words is "eleven billion, six hundred fifty-four million, seven hundred forty-five thousand, fifty-seven".