90109155635 has 8 divisors (see below), whose sum is σ = 109612233600. Its totient is φ = 71099826624.

The previous prime is 90109155623. The next prime is 90109155649. The reversal of 90109155635 is 53655190109.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90109155635 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, 123436835 + ... + 123437564.

It is an arithmetic number, because the mean of its divisors is an integer number (13701529200).

Almost surely, 2^90109155635 is an apocalyptic number.

90109155635 is a deficient number, since it is larger than the sum of its proper divisors (19503077965).

90109155635 is a wasteful number, since it uses less digits than its factorization.

90109155635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246874477.

The product of its (nonzero) digits is 182250, while the sum is 44.

The spelling of 90109155635 in words is "ninety billion, one hundred nine million, one hundred fifty-five thousand, six hundred thirty-five".