11137325657 has 2 divisors, whose sum is σ = 11137325658. Its totient is φ = 11137325656.

The previous prime is 11137325623. The next prime is 11137325669. The reversal of 11137325657 is 75652373111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9069895696 + 2067429961 = 95236^2 + 45469^2 .

It is a cyclic number.

It is not a de Polignac number, because 11137325657 - 2⁶ = 11137325593 is a prime.

It is not a weakly prime, because it can be changed into another prime (11137325687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5568662828 + 5568662829.

It is an arithmetic number, because the mean of its divisors is an integer number (5568662829).

Almost surely, 2^11137325657 is an apocalyptic number.

It is an amenable number.

11137325657 is a deficient number, since it is larger than the sum of its proper divisors (1).

11137325657 is an equidigital number, since it uses as much as digits as its factorization.

11137325657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 132300, while the sum is 41.

Adding to 11137325657 its reverse (75652373111), we get a palindrome (86789698768).

The spelling of 11137325657 in words is "eleven billion, one hundred thirty-seven million, three hundred twenty-five thousand, six hundred fifty-seven".