74845521160811 has 2 divisors, whose sum is σ = 74845521160812. Its totient is φ = 74845521160810.

The previous prime is 74845521160799. The next prime is 74845521160877. The reversal of 74845521160811 is 11806112554847.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74845521160811 - 2⁶ = 74845521160747 is a prime.

It is not a weakly prime, because it can be changed into another prime (74845521160411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37422760580405 + 37422760580406.

It is an arithmetic number, because the mean of its divisors is an integer number (37422760580406).

Almost surely, 2^{74845521160811} is an apocalyptic number.

74845521160811 is a deficient number, since it is larger than the sum of its proper divisors (1).

74845521160811 is an equidigital number, since it uses as much as digits as its factorization.

74845521160811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2150400, while the sum is 53.

The spelling of 74845521160811 in words is "seventy-four trillion, eight hundred forty-five billion, five hundred twenty-one million, one hundred sixty thousand, eight hundred eleven".