11331130947637 has 2 divisors, whose sum is σ = 11331130947638. Its totient is φ = 11331130947636.

The previous prime is 11331130947613. The next prime is 11331130947649. The reversal of 11331130947637 is 73674903113311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10361130514641 + 970000432996 = 3218871^2 + 984886^2 .

It is a cyclic number.

It is not a de Polignac number, because 11331130947637 - 2¹⁵ = 11331130914869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11331130947667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665565473818 + 5665565473819.

It is an arithmetic number, because the mean of its divisors is an integer number (5665565473819).

Almost surely, 2^{11331130947637} is an apocalyptic number.

It is an amenable number.

11331130947637 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331130947637 is an equidigital number, since it uses as much as digits as its factorization.

11331130947637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 857304, while the sum is 49.

The spelling of 11331130947637 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty million, nine hundred forty-seven thousand, six hundred thirty-seven".