11137479293 has 2 divisors, whose sum is σ = 11137479294. Its totient is φ = 11137479292.

The previous prime is 11137479277. The next prime is 11137479323. The reversal of 11137479293 is 39297473111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6589055929 + 4548423364 = 81173^2 + 67442^2 .

It is a cyclic number.

It is not a de Polignac number, because 11137479293 - 2⁴ = 11137479277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11137479233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5568739646 + 5568739647.

It is an arithmetic number, because the mean of its divisors is an integer number (5568739647).

Almost surely, 2^11137479293 is an apocalyptic number.

It is an amenable number.

11137479293 is a deficient number, since it is larger than the sum of its proper divisors (1).

11137479293 is an equidigital number, since it uses as much as digits as its factorization.

11137479293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768, while the sum is 47.

The spelling of 11137479293 in words is "eleven billion, one hundred thirty-seven million, four hundred seventy-nine thousand, two hundred ninety-three".