11331130202137 has 2 divisors, whose sum is σ = 11331130202138. Its totient is φ = 11331130202136.

The previous prime is 11331130202123. The next prime is 11331130202191. The reversal of 11331130202137 is 73120203113311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8435428993161 + 2895701208976 = 2904381^2 + 1701676^2 .

It is an emirp because it is prime and its reverse (73120203113311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11331130202137 - 2²⁷ = 11330995984409 is a prime.

It is not a weakly prime, because it can be changed into another prime (11331130202537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665565101068 + 5665565101069.

It is an arithmetic number, because the mean of its divisors is an integer number (5665565101069).

Almost surely, 2^{11331130202137} is an apocalyptic number.

It is an amenable number.

11331130202137 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331130202137 is an equidigital number, since it uses as much as digits as its factorization.

11331130202137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

Adding to 11331130202137 its reverse (73120203113311), we get a palindrome (84451333315448).

The spelling of 11331130202137 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty million, two hundred two thousand, one hundred thirty-seven".