1801117090200 has 48 divisors (see below), whose sum is σ = 5583462981480. Its totient is φ = 480297890560.

The previous prime is 1801117090187. The next prime is 1801117090217. The reversal of 1801117090200 is 20907111081.

It is a super-2 number, since 2×1801117090200² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1500930309 + ... + 1500931508.

Almost surely, 2^{1801117090200} is an apocalyptic number.

1801117090200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1801117090200 is an abundant number, since it is smaller than the sum of its proper divisors (3782345891280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1801117090200 is a wasteful number, since it uses less digits than its factorization.

1801117090200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001861836 (or 3001861827 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 30.

The spelling of 1801117090200 in words is "one trillion, eight hundred one billion, one hundred seventeen million, ninety thousand, two hundred".