11116255571 has 2 divisors, whose sum is σ = 11116255572. Its totient is φ = 11116255570.

The previous prime is 11116255489. The next prime is 11116255589. The reversal of 11116255571 is 17555261111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11116255571 - 2¹⁰ = 11116254547 is a prime.

It is a super-2 number, since 2×11116255571² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11116254571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5558127785 + 5558127786.

It is an arithmetic number, because the mean of its divisors is an integer number (5558127786).

Almost surely, 2^11116255571 is an apocalyptic number.

11116255571 is a deficient number, since it is larger than the sum of its proper divisors (1).

11116255571 is an equidigital number, since it uses as much as digits as its factorization.

11116255571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10500, while the sum is 35.

The spelling of 11116255571 in words is "eleven billion, one hundred sixteen million, two hundred fifty-five thousand, five hundred seventy-one".