11367216571 has 2 divisors, whose sum is σ = 11367216572. Its totient is φ = 11367216570.

The previous prime is 11367216559. The next prime is 11367216577. The reversal of 11367216571 is 17561276311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11367216571 - 2¹³ = 11367208379 is a prime.

It is a super-2 number, since 2×11367216571² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11367216577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5683608285 + 5683608286.

It is an arithmetic number, because the mean of its divisors is an integer number (5683608286).

Almost surely, 2^11367216571 is an apocalyptic number.

11367216571 is a deficient number, since it is larger than the sum of its proper divisors (1).

11367216571 is an equidigital number, since it uses as much as digits as its factorization.

11367216571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 40.

The spelling of 11367216571 in words is "eleven billion, three hundred sixty-seven million, two hundred sixteen thousand, five hundred seventy-one".