11256216131291 has 2 divisors, whose sum is σ = 11256216131292. Its totient is φ = 11256216131290.

The previous prime is 11256216131231. The next prime is 11256216131359. The reversal of 11256216131291 is 19213161265211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11256216131291 - 2¹⁰ = 11256216130267 is a prime.

It is not a weakly prime, because it can be changed into another prime (11256216131201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5628108065645 + 5628108065646.

It is an arithmetic number, because the mean of its divisors is an integer number (5628108065646).

Almost surely, 2^{11256216131291} is an apocalyptic number.

11256216131291 is a deficient number, since it is larger than the sum of its proper divisors (1).

11256216131291 is an equidigital number, since it uses as much as digits as its factorization.

11256216131291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 41.

The spelling of 11256216131291 in words is "eleven trillion, two hundred fifty-six billion, two hundred sixteen million, one hundred thirty-one thousand, two hundred ninety-one".