190501117085 has 32 divisors (see below), whose sum is σ = 233033932800. Its totient is φ = 149467526208.

The previous prime is 190501117067. The next prime is 190501117097. The reversal of 190501117085 is 580711105091.

It is a cyclic number.

It is not a de Polignac number, because 190501117085 - 2¹⁴ = 190501100701 is a prime.

It is a super-2 number, since 2×190501117085² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88893524 + ... + 88895666.

It is an arithmetic number, because the mean of its divisors is an integer number (7282310400).

Almost surely, 2^190501117085 is an apocalyptic number.

It is an amenable number.

190501117085 is a deficient number, since it is larger than the sum of its proper divisors (42532815715).

190501117085 is a wasteful number, since it uses less digits than its factorization.

190501117085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3257.

The product of its (nonzero) digits is 12600, while the sum is 38.

The spelling of 190501117085 in words is "one hundred ninety billion, five hundred one million, one hundred seventeen thousand, eighty-five".