19101011000920 has 16 divisors (see below), whose sum is σ = 42977274752160. Its totient is φ = 7640404400352.

The previous prime is 19101011000909. The next prime is 19101011000957. The reversal of 19101011000920 is 2900011010191.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238762637472 + ... + 238762637551.

It is an arithmetic number, because the mean of its divisors is an integer number (2686079672010).

Almost surely, 2^{19101011000920} is an apocalyptic number.

19101011000920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19101011000920 is an abundant number, since it is smaller than the sum of its proper divisors (23876263751240).

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

19101011000920 is a wasteful number, since it uses less digits than its factorization.

19101011000920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477525275034 (or 477525275030 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 25.

The spelling of 19101011000920 in words is "nineteen trillion, one hundred one billion, eleven million, nine hundred twenty", and thus it is an aban number.