11617541791 has 2 divisors, whose sum is σ = 11617541792. Its totient is φ = 11617541790.

The previous prime is 11617541759. The next prime is 11617541797. The reversal of 11617541791 is 19714571611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11617541791 - 2⁵ = 11617541759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11617541797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5808770895 + 5808770896.

It is an arithmetic number, because the mean of its divisors is an integer number (5808770896).

Almost surely, 2^11617541791 is an apocalyptic number.

11617541791 is a deficient number, since it is larger than the sum of its proper divisors (1).

11617541791 is an equidigital number, since it uses as much as digits as its factorization.

11617541791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 43.

The spelling of 11617541791 in words is "eleven billion, six hundred seventeen million, five hundred forty-one thousand, seven hundred ninety-one".