90531973933811 has 2 divisors, whose sum is σ = 90531973933812. Its totient is φ = 90531973933810.

The previous prime is 90531973933781. The next prime is 90531973933867. The reversal of 90531973933811 is 11833937913509.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90531973933811 - 2⁴⁶ = 20163229756147 is a prime.

It is not a weakly prime, because it can be changed into another prime (90531973933871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45265986966905 + 45265986966906.

It is an arithmetic number, because the mean of its divisors is an integer number (45265986966906).

Almost surely, 2^{90531973933811} is an apocalyptic number.

90531973933811 is a deficient number, since it is larger than the sum of its proper divisors (1).

90531973933811 is an equidigital number, since it uses as much as digits as its factorization.

90531973933811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16533720, while the sum is 62.

The spelling of 90531973933811 in words is "ninety trillion, five hundred thirty-one billion, nine hundred seventy-three million, nine hundred thirty-three thousand, eight hundred eleven".