10091056500 has 288 divisors, whose sum is σ = 36727891200. Its totient is φ = 2284588800.

The previous prime is 10091056477. The next prime is 10091056511. The reversal of 10091056500 is 565019001.

10091056500 is a `hidden beast` number, since 1 + 0 + 0 + 9 + 1 + 0 + 5 + 650 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3432031 + ... + 3434969.

It is an arithmetic number, because the mean of its divisors is an integer number (127527400).

Almost surely, 2^10091056500 is an apocalyptic number.

10091056500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10091056500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18363945600).

10091056500 is an abundant number, since it is smaller than the sum of its proper divisors (26636834700).

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

10091056500 is a wasteful number, since it uses less digits than its factorization.

10091056500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3080 (or 3065 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 27.

The spelling of 10091056500 in words is "ten billion, ninety-one million, fifty-six thousand, five hundred".