11137947937 has 2 divisors, whose sum is σ = 11137947938. Its totient is φ = 11137947936.

The previous prime is 11137947929. The next prime is 11137947941. The reversal of 11137947937 is 73974973111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11073563361 + 64384576 = 105231^2 + 8024^2 .

It is a cyclic number.

It is not a de Polignac number, because 11137947937 - 2³ = 11137947929 is a prime.

It is not a weakly prime, because it can be changed into another prime (11137947907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5568973968 + 5568973969.

It is an arithmetic number, because the mean of its divisors is an integer number (5568973969).

Almost surely, 2^11137947937 is an apocalyptic number.

It is an amenable number.

11137947937 is a deficient number, since it is larger than the sum of its proper divisors (1).

11137947937 is an equidigital number, since it uses as much as digits as its factorization.

11137947937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1000188, while the sum is 52.

The spelling of 11137947937 in words is "eleven billion, one hundred thirty-seven million, nine hundred forty-seven thousand, nine hundred thirty-seven".