1801117090199 has 32 divisors (see below), whose sum is σ = 2111251814400. Its totient is φ = 1504486545408.

The previous prime is 1801117090187. The next prime is 1801117090217. The reversal of 1801117090199 is 9910907111081.

It is not a de Polignac number, because 1801117090199 - 2⁸ = 1801117089943 is a prime.

It is a super-3 number, since 3×1801117090199³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1801117090139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75351752 + ... + 75375650.

It is an arithmetic number, because the mean of its divisors is an integer number (65976619200).

Almost surely, 2^{1801117090199} is an apocalyptic number.

1801117090199 is a deficient number, since it is larger than the sum of its proper divisors (310134724201).

1801117090199 is a wasteful number, since it uses less digits than its factorization.

1801117090199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24927.

The product of its (nonzero) digits is 40824, while the sum is 47.

The spelling of 1801117090199 in words is "one trillion, eight hundred one billion, one hundred seventeen million, ninety thousand, one hundred ninety-nine".