75993966311 has 2 divisors, whose sum is σ = 75993966312. Its totient is φ = 75993966310.

The previous prime is 75993966289. The next prime is 75993966317. The reversal of 75993966311 is 11366939957.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75993966311 - 2¹⁰ = 75993965287 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75993966317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37996983155 + 37996983156.

It is an arithmetic number, because the mean of its divisors is an integer number (37996983156).

Almost surely, 2^75993966311 is an apocalyptic number.

75993966311 is a deficient number, since it is larger than the sum of its proper divisors (1).

75993966311 is an equidigital number, since it uses as much as digits as its factorization.

75993966311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8266860, while the sum is 59.

The spelling of 75993966311 in words is "seventy-five billion, nine hundred ninety-three million, nine hundred sixty-six thousand, three hundred eleven".