5181089004 has 144 divisors (see below), whose sum is σ = 16145147200. Its totient is φ = 1364221440.

The previous prime is 5181088961. The next prime is 5181089027. The reversal of 5181089004 is 4009801815.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 5181089004.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3344022 + ... + 3345570.

Almost surely, 2^5181089004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5181089004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8072573600).

5181089004 is an abundant number, since it is smaller than the sum of its proper divisors (10964058196).

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

5181089004 is a wasteful number, since it uses less digits than its factorization.

5181089004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600 (or 2595 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 5181089004 is about 71979.7819113117. The cubic root of 5181089004 is about 1730.3754744290.

The spelling of 5181089004 in words is "five billion, one hundred eighty-one million, eighty-nine thousand, four".