5091100245 has 144 divisors (see below), whose sum is σ = 11858228928. Its totient is φ = 1991162880.

The previous prime is 5091100243. The next prime is 5091100277. The reversal of 5091100245 is 5420011905.

5091100245 is a `hidden beast` number, since 509 + 110 + 0 + 2 + 45 = 666.

It is not a de Polignac number, because 5091100245 - 2¹ = 5091100243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5091100241) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 406162 + ... + 418508.

It is an arithmetic number, because the mean of its divisors is an integer number (82348812).

Almost surely, 2^5091100245 is an apocalyptic number.

5091100245 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5091100245 is an abundant number, since it is smaller than the sum of its proper divisors (6767128683).

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

5091100245 is a wasteful number, since it uses less digits than its factorization.

5091100245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12400 (or 12390 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 5091100245 is about 71351.9463294450. The cubic root of 5091100245 is about 1720.2987858668.

The spelling of 5091100245 in words is "five billion, ninety-one million, one hundred thousand, two hundred forty-five".