5001109951 has 4 divisors (see below), whose sum is σ = 5008244904. Its totient is φ = 4993975000.

The previous prime is 5001109907. The next prime is 5001109979. The reversal of 5001109951 is 1599011005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1599011005 = 5 ⋅319802201.

It is a cyclic number.

It is not a de Polignac number, because 5001109951 - 2⁷ = 5001109823 is a prime.

It is a super-2 number, since 2×5001109951² = 50022201483982444802, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5001109151) 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, 3566425 + ... + 3567826.

It is an arithmetic number, because the mean of its divisors is an integer number (1252061226).

Almost surely, 2^5001109951 is an apocalyptic number.

5001109951 is a deficient number, since it is larger than the sum of its proper divisors (7134953).

5001109951 is an equidigital number, since it uses as much as digits as its factorization.

5001109951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7134952.

The product of its (nonzero) digits is 2025, while the sum is 31.

The square root of 5001109951 is about 70718.5262219173. The cubic root of 5001109951 is about 1710.1024699490.

The spelling of 5001109951 in words is "five billion, one million, one hundred nine thousand, nine hundred fifty-one".