11552745157 has 2 divisors, whose sum is σ = 11552745158. Its totient is φ = 11552745156.

The previous prime is 11552745091. The next prime is 11552745203. The reversal of 11552745157 is 75154725511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6100547236 + 5452197921 = 78106^2 + 73839^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11552745157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11552746157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5776372578 + 5776372579.

It is an arithmetic number, because the mean of its divisors is an integer number (5776372579).

Almost surely, 2^11552745157 is an apocalyptic number.

It is an amenable number.

11552745157 is a deficient number, since it is larger than the sum of its proper divisors (1).

11552745157 is an equidigital number, since it uses as much as digits as its factorization.

11552745157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 245000, while the sum is 43.

The spelling of 11552745157 in words is "eleven billion, five hundred fifty-two million, seven hundred forty-five thousand, one hundred fifty-seven".