11601574261877 has 2 divisors, whose sum is σ = 11601574261878. Its totient is φ = 11601574261876.

The previous prime is 11601574261853. The next prime is 11601574261909. The reversal of 11601574261877 is 77816247510611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11152300324036 + 449273937841 = 3339506^2 + 670279^2 .

It is a cyclic number.

It is not a de Polignac number, because 11601574261877 - 2²⁰ = 11601573213301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11601574269877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5800787130938 + 5800787130939.

It is an arithmetic number, because the mean of its divisors is an integer number (5800787130939).

Almost surely, 2^{11601574261877} is an apocalyptic number.

It is an amenable number.

11601574261877 is a deficient number, since it is larger than the sum of its proper divisors (1).

11601574261877 is an equidigital number, since it uses as much as digits as its factorization.

11601574261877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3951360, while the sum is 56.

The spelling of 11601574261877 in words is "eleven trillion, six hundred one billion, five hundred seventy-four million, two hundred sixty-one thousand, eight hundred seventy-seven".