90853217053945 has 8 divisors (see below), whose sum is σ = 109093258221120. Its totient is φ = 72636308472240.

The previous prime is 90853217053909. The next prime is 90853217053987. The reversal of 90853217053945 is 54935071235809.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90853217053945 - 2⁷ = 90853217053817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5783137725 + ... + 5783153434.

It is an arithmetic number, because the mean of its divisors is an integer number (13636657277640).

Almost surely, 2^{90853217053945} is an apocalyptic number.

It is an amenable number.

90853217053945 is a deficient number, since it is larger than the sum of its proper divisors (18240041167175).

90853217053945 is a wasteful number, since it uses less digits than its factorization.

90853217053945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11566292735.

The product of its (nonzero) digits is 40824000, while the sum is 61.

The spelling of 90853217053945 in words is "ninety trillion, eight hundred fifty-three billion, two hundred seventeen million, fifty-three thousand, nine hundred forty-five".