11582751657 has 4 divisors (see below), whose sum is σ = 15443668880. Its totient is φ = 7721834436.

The previous prime is 11582751647. The next prime is 11582751659. The reversal of 11582751657 is 75615728511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75615728511 = 3 ⋅25205242837.

It is not a de Polignac number, because 11582751657 - 2¹¹ = 11582749609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11582751659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1930458607 + ... + 1930458612.

It is an arithmetic number, because the mean of its divisors is an integer number (3860917220).

Almost surely, 2^11582751657 is an apocalyptic number.

It is an amenable number.

11582751657 is a deficient number, since it is larger than the sum of its proper divisors (3860917223).

11582751657 is an equidigital number, since it uses as much as digits as its factorization.

11582751657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3860917222.

The product of its digits is 588000, while the sum is 48.

The spelling of 11582751657 in words is "eleven billion, five hundred eighty-two million, seven hundred fifty-one thousand, six hundred fifty-seven".