90974568011 has 2 divisors, whose sum is σ = 90974568012. Its totient is φ = 90974568010.

The previous prime is 90974567989. The next prime is 90974568103. The reversal of 90974568011 is 11086547909.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90974568011 - 2¹⁸ = 90974305867 is a prime.

It is a super-2 number, since 2×90974568011² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (90974568911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45487284005 + 45487284006.

It is an arithmetic number, because the mean of its divisors is an integer number (45487284006).

Almost surely, 2^90974568011 is an apocalyptic number.

90974568011 is a deficient number, since it is larger than the sum of its proper divisors (1).

90974568011 is an equidigital number, since it uses as much as digits as its factorization.

90974568011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 50.

The spelling of 90974568011 in words is "ninety billion, nine hundred seventy-four million, five hundred sixty-eight thousand, eleven".