11577865457 has 2 divisors, whose sum is σ = 11577865458. Its totient is φ = 11577865456.

The previous prime is 11577865451. The next prime is 11577865459. The reversal of 11577865457 is 75456877511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9391741921 + 2186123536 = 96911^2 + 46756^2 .

It is a cyclic number.

It is not a de Polignac number, because 11577865457 - 2²⁴ = 11561088241 is a prime.

It is a super-3 number, since 3×11577865457³ (a number of 31 digits) contains 333 as substring.

Together with 11577865459, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11577865451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5788932728 + 5788932729.

It is an arithmetic number, because the mean of its divisors is an integer number (5788932729).

Almost surely, 2^11577865457 is an apocalyptic number.

It is an amenable number.

11577865457 is a deficient number, since it is larger than the sum of its proper divisors (1).

11577865457 is an equidigital number, since it uses as much as digits as its factorization.

11577865457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8232000, while the sum is 56.

The spelling of 11577865457 in words is "eleven billion, five hundred seventy-seven million, eight hundred sixty-five thousand, four hundred fifty-seven".