90867291511 has 2 divisors, whose sum is σ = 90867291512. Its totient is φ = 90867291510.

The previous prime is 90867291503. The next prime is 90867291517. The reversal of 90867291511 is 11519276809.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90867291511 - 2³ = 90867291503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90867291517) 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, 45433645755 + 45433645756.

It is an arithmetic number, because the mean of its divisors is an integer number (45433645756).

Almost surely, 2^90867291511 is an apocalyptic number.

90867291511 is a deficient number, since it is larger than the sum of its proper divisors (1).

90867291511 is an equidigital number, since it uses as much as digits as its factorization.

90867291511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 49.

The spelling of 90867291511 in words is "ninety billion, eight hundred sixty-seven million, two hundred ninety-one thousand, five hundred eleven".