11155013137 has 2 divisors, whose sum is σ = 11155013138. Its totient is φ = 11155013136.

The previous prime is 11155013099. The next prime is 11155013143. The reversal of 11155013137 is 73131055111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9299902096 + 1855111041 = 96436^2 + 43071^2 .

It is a cyclic number.

It is not a de Polignac number, because 11155013137 - 2¹¹ = 11155011089 is a prime.

It is not a weakly prime, because it can be changed into another prime (11155013147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5577506568 + 5577506569.

It is an arithmetic number, because the mean of its divisors is an integer number (5577506569).

Almost surely, 2^11155013137 is an apocalyptic number.

It is an amenable number.

11155013137 is a deficient number, since it is larger than the sum of its proper divisors (1).

11155013137 is an equidigital number, since it uses as much as digits as its factorization.

11155013137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1575, while the sum is 28.

Adding to 11155013137 its reverse (73131055111), we get a palindrome (84286068248).

The spelling of 11155013137 in words is "eleven billion, one hundred fifty-five million, thirteen thousand, one hundred thirty-seven".