10091000190900 has 72 divisors (see below), whose sum is σ = 29409741406080. Its totient is φ = 2671291523840.

The previous prime is 10091000190839. The next prime is 10091000190907. The reversal of 10091000190900 is 909100019001.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10091000190907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122720460 + ... + 122802659.

It is an arithmetic number, because the mean of its divisors is an integer number (408468630640).

Almost surely, 2^{10091000190900} is an apocalyptic number.

10091000190900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10091000190900 is an abundant number, since it is smaller than the sum of its proper divisors (19318741215180).

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

10091000190900 is a wasteful number, since it uses less digits than its factorization.

10091000190900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245523273 (or 245523266 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 30.

The spelling of 10091000190900 in words is "ten trillion, ninety-one billion, one hundred ninety thousand, nine hundred".