11625636577 has 2 divisors, whose sum is σ = 11625636578. Its totient is φ = 11625636576.

The previous prime is 11625636553. The next prime is 11625636593. The reversal of 11625636577 is 77563652611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7817389056 + 3808247521 = 88416^2 + 61711^2 .

It is a cyclic number.

It is not a de Polignac number, because 11625636577 - 2¹¹ = 11625634529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11625636577.

It is not a weakly prime, because it can be changed into another prime (11625636977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5812818288 + 5812818289.

It is an arithmetic number, because the mean of its divisors is an integer number (5812818289).

Almost surely, 2^11625636577 is an apocalyptic number.

It is an amenable number.

11625636577 is a deficient number, since it is larger than the sum of its proper divisors (1).

11625636577 is an equidigital number, since it uses as much as digits as its factorization.

11625636577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1587600, while the sum is 49.

The spelling of 11625636577 in words is "eleven billion, six hundred twenty-five million, six hundred thirty-six thousand, five hundred seventy-seven".