79541737811 has 2 divisors, whose sum is σ = 79541737812. Its totient is φ = 79541737810.

The previous prime is 79541737783. The next prime is 79541737813. The reversal of 79541737811 is 11873714597.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79541737811 is a prime.

Together with 79541737813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (79541737813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39770868905 + 39770868906.

It is an arithmetic number, because the mean of its divisors is an integer number (39770868906).

Almost surely, 2^79541737811 is an apocalyptic number.

79541737811 is a deficient number, since it is larger than the sum of its proper divisors (1).

79541737811 is an equidigital number, since it uses as much as digits as its factorization.

79541737811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1481760, while the sum is 53.

The spelling of 79541737811 in words is "seventy-nine billion, five hundred forty-one million, seven hundred thirty-seven thousand, eight hundred eleven".