1137422656991 has 2 divisors, whose sum is σ = 1137422656992. Its totient is φ = 1137422656990.

The previous prime is 1137422656889. The next prime is 1137422657051. The reversal of 1137422656991 is 1996562247311.

It is a strong prime.

It is an emirp because it is prime and its reverse (1996562247311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1137422656991 - 2²⁶ = 1137355548127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1137422656091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568711328495 + 568711328496.

It is an arithmetic number, because the mean of its divisors is an integer number (568711328496).

Almost surely, 2^{1137422656991} is an apocalyptic number.

1137422656991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1137422656991 is an equidigital number, since it uses as much as digits as its factorization.

1137422656991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4898880, while the sum is 56.

The spelling of 1137422656991 in words is "one trillion, one hundred thirty-seven billion, four hundred twenty-two million, six hundred fifty-six thousand, nine hundred ninety-one".