11553357157 has 2 divisors, whose sum is σ = 11553357158. Its totient is φ = 11553357156.

The previous prime is 11553357143. The next prime is 11553357161. The reversal of 11553357157 is 75175335511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10121567236 + 1431789921 = 100606^2 + 37839^2 .

It is a cyclic number.

It is not a de Polignac number, because 11553357157 - 2¹⁹ = 11552832869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11553357107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5776678578 + 5776678579.

It is an arithmetic number, because the mean of its divisors is an integer number (5776678579).

Almost surely, 2^11553357157 is an apocalyptic number.

It is an amenable number.

11553357157 is a deficient number, since it is larger than the sum of its proper divisors (1).

11553357157 is an equidigital number, since it uses as much as digits as its factorization.

11553357157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 275625, while the sum is 43.

The spelling of 11553357157 in words is "eleven billion, five hundred fifty-three million, three hundred fifty-seven thousand, one hundred fifty-seven".