1001836872900 has 108 divisors (see below), whose sum is σ = 3140442457152. Its totient is φ = 267136044480.

The previous prime is 1001836872887. The next prime is 1001836872941. The reversal of 1001836872900 is 92786381001.

1001836872900 is a `hidden beast` number, since 100 + 183 + 6 + 87 + 290 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14458137 + ... + 14527263.

Almost surely, 2^{1001836872900} is an apocalyptic number.

1001836872900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001836872900 is an abundant number, since it is smaller than the sum of its proper divisors (2138605584252).

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

1001836872900 is a wasteful number, since it uses less digits than its factorization.

1001836872900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85250 (or 85240 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 1001836872900 in words is "one trillion, one billion, eight hundred thirty-six million, eight hundred seventy-two thousand, nine hundred".