11272408291 has 2 divisors, whose sum is σ = 11272408292. Its totient is φ = 11272408290.

The previous prime is 11272408249. The next prime is 11272408309. The reversal of 11272408291 is 19280427211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11272408291 - 2⁹ = 11272407779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11272408291.

It is not a weakly prime, because it can be changed into another prime (11272408691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5636204145 + 5636204146.

It is an arithmetic number, because the mean of its divisors is an integer number (5636204146).

Almost surely, 2^11272408291 is an apocalyptic number.

11272408291 is a deficient number, since it is larger than the sum of its proper divisors (1).

11272408291 is an equidigital number, since it uses as much as digits as its factorization.

11272408291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 37.

The spelling of 11272408291 in words is "eleven billion, two hundred seventy-two million, four hundred eight thousand, two hundred ninety-one".