90159953477611 has 2 divisors, whose sum is σ = 90159953477612. Its totient is φ = 90159953477610.

The previous prime is 90159953477569. The next prime is 90159953477639. The reversal of 90159953477611 is 11677435995109.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90159953477611 - 2¹³ = 90159953469419 is a prime.

It is a super-2 number, since 2×90159953477611² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (90159953475611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (41) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45079976738805 + 45079976738806.

It is an arithmetic number, because the mean of its divisors is an integer number (45079976738806).

Almost surely, 2^{90159953477611} is an apocalyptic number.

90159953477611 is a deficient number, since it is larger than the sum of its proper divisors (1).

90159953477611 is an equidigital number, since it uses as much as digits as its factorization.

90159953477611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64297800, while the sum is 67.

The spelling of 90159953477611 in words is "ninety trillion, one hundred fifty-nine billion, nine hundred fifty-three million, four hundred seventy-seven thousand, six hundred eleven".