11654422291 has 2 divisors, whose sum is σ = 11654422292. Its totient is φ = 11654422290.

The previous prime is 11654422177. The next prime is 11654422309. The reversal of 11654422291 is 19222445611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11654422291 - 2²⁵ = 11620867859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11654422291.

It is not a weakly prime, because it can be changed into another prime (11654432291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5827211145 + 5827211146.

It is an arithmetic number, because the mean of its divisors is an integer number (5827211146).

Almost surely, 2^11654422291 is an apocalyptic number.

11654422291 is a deficient number, since it is larger than the sum of its proper divisors (1).

11654422291 is an equidigital number, since it uses as much as digits as its factorization.

11654422291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 37.

The spelling of 11654422291 in words is "eleven billion, six hundred fifty-four million, four hundred twenty-two thousand, two hundred ninety-one".