90048153069181 has 2 divisors, whose sum is σ = 90048153069182. Its totient is φ = 90048153069180.

The previous prime is 90048153069143. The next prime is 90048153069187. The reversal of 90048153069181 is 18196035184009.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63941469388281 + 26106683680900 = 7996341^2 + 5109470^2 .

It is a cyclic number.

It is not a de Polignac number, because 90048153069181 - 2¹⁹ = 90048152544893 is a prime.

It is a super-2 number, since 2×90048153069181² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90048153069187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45024076534590 + 45024076534591.

It is an arithmetic number, because the mean of its divisors is an integer number (45024076534591).

Almost surely, 2^{90048153069181} is an apocalyptic number.

It is an amenable number.

90048153069181 is a deficient number, since it is larger than the sum of its proper divisors (1).

90048153069181 is an equidigital number, since it uses as much as digits as its factorization.

90048153069181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240, while the sum is 55.

The spelling of 90048153069181 in words is "ninety trillion, forty-eight billion, one hundred fifty-three million, sixty-nine thousand, one hundred eighty-one".