100199388452500 has 60 divisors (see below), whose sum is σ = 219134292020644. Its totient is φ = 40076413632000.

The previous prime is 100199388452483. The next prime is 100199388452503. The reversal of 100199388452500 is 5254883991001.

It can be written as a sum of positive squares in 10 ways, for example, as 80884804985604 + 19314583466896 = 8993598^2 + 4394836^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100199388452503) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 28427644 + ... + 31757356.

Almost surely, 2^{100199388452500} is an apocalyptic number.

100199388452500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100199388452500 is an abundant number, since it is smaller than the sum of its proper divisors (118934903568144).

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

100199388452500 is a wasteful number, since it uses less digits than its factorization.

100199388452500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3341774 (or 3341757 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 55.

The spelling of 100199388452500 in words is "one hundred trillion, one hundred ninety-nine billion, three hundred eighty-eight million, four hundred fifty-two thousand, five hundred".