5110100100491 has 4 divisors (see below), whose sum is σ = 5218825634592. Its totient is φ = 5001374566392.

The previous prime is 5110100100481. The next prime is 5110100100493. The reversal of 5110100100491 is 1940010010115.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5110100100491 - 2²² = 5110095906187 is a prime.

It is a super-2 number, since 2×5110100100491² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5110100100493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54362766980 + ... + 54362767073.

It is an arithmetic number, because the mean of its divisors is an integer number (1304706408648).

Almost surely, 2^{5110100100491} is an apocalyptic number.

5110100100491 is a deficient number, since it is larger than the sum of its proper divisors (108725534101).

5110100100491 is a wasteful number, since it uses less digits than its factorization.

5110100100491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108725534100.

The product of its (nonzero) digits is 180, while the sum is 23.

The spelling of 5110100100491 in words is "five trillion, one hundred ten billion, one hundred million, one hundred thousand, four hundred ninety-one".