90963547811 has 2 divisors, whose sum is σ = 90963547812. Its totient is φ = 90963547810.

The previous prime is 90963547777. The next prime is 90963547817. The reversal of 90963547811 is 11874536909.

It is a strong prime.

It is an emirp because it is prime and its reverse (11874536909) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90963547811 - 2⁶ = 90963547747 is a prime.

It is not a weakly prime, because it can be changed into another prime (90963547817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45481773905 + 45481773906.

It is an arithmetic number, because the mean of its divisors is an integer number (45481773906).

Almost surely, 2^90963547811 is an apocalyptic number.

90963547811 is a deficient number, since it is larger than the sum of its proper divisors (1).

90963547811 is an equidigital number, since it uses as much as digits as its factorization.

90963547811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 90963547811 in words is "ninety billion, nine hundred sixty-three million, five hundred forty-seven thousand, eight hundred eleven".