11137479277 has 2 divisors, whose sum is σ = 11137479278. Its totient is φ = 11137479276.

The previous prime is 11137479259. The next prime is 11137479293. The reversal of 11137479277 is 77297473111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8714969316 + 2422509961 = 93354^2 + 49219^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11137479277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11137479277.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11137477277) 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, 5568739638 + 5568739639.

It is an arithmetic number, because the mean of its divisors is an integer number (5568739639).

Almost surely, 2^11137479277 is an apocalyptic number.

It is an amenable number.

11137479277 is a deficient number, since it is larger than the sum of its proper divisors (1).

11137479277 is an equidigital number, since it uses as much as digits as its factorization.

11137479277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518616, while the sum is 49.

The spelling of 11137479277 in words is "eleven billion, one hundred thirty-seven million, four hundred seventy-nine thousand, two hundred seventy-seven".