11659151657 has 2 divisors, whose sum is σ = 11659151658. Its totient is φ = 11659151656.

The previous prime is 11659151617. The next prime is 11659151723. The reversal of 11659151657 is 75615195611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7981456921 + 3677694736 = 89339^2 + 60644^2 .

It is a cyclic number.

It is not a de Polignac number, because 11659151657 - 2²⁴ = 11642374441 is a prime.

It is not a weakly prime, because it can be changed into another prime (11659151617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5829575828 + 5829575829.

It is an arithmetic number, because the mean of its divisors is an integer number (5829575829).

Almost surely, 2^11659151657 is an apocalyptic number.

It is an amenable number.

11659151657 is a deficient number, since it is larger than the sum of its proper divisors (1).

11659151657 is an equidigital number, since it uses as much as digits as its factorization.

11659151657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 283500, while the sum is 47.

The spelling of 11659151657 in words is "eleven billion, six hundred fifty-nine million, one hundred fifty-one thousand, six hundred fifty-seven".