5001109978 has 8 divisors (see below), whose sum is σ = 7501969620. Its totient is φ = 2500453440.

The previous prime is 5001109907. The next prime is 5001109979. The reversal of 5001109978 is 8799011005.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4978290249 + 22819729 = 70557^2 + 4777^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×5001109978² = 50022202024102320968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5001109978.

It is not an unprimeable number, because it can be changed into a prime (5001109979) 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, 54148 + ... + 113728.

Almost surely, 2^5001109978 is an apocalyptic number.

5001109978 is a deficient number, since it is larger than the sum of its proper divisors (2500859642).

5001109978 is a wasteful number, since it uses less digits than its factorization.

5001109978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101552.

The product of its (nonzero) digits is 22680, while the sum is 40.

The square root of 5001109978 is about 70718.5264128149. The cubic root of 5001109978 is about 1710.1024730265.

It can be divided in two parts, 500110997 and 8, that added together give a palindrome (500111005).

The spelling of 5001109978 in words is "five billion, one million, one hundred nine thousand, nine hundred seventy-eight".