5015001000 has 128 divisors (see below), whose sum is σ = 15678748800. Its totient is φ = 1334604800.

The previous prime is 5015000993. The next prime is 5015001031. The reversal of 5015001000 is 1005105.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1777591 + ... + 1780409.

It is an arithmetic number, because the mean of its divisors is an integer number (122490225).

Almost surely, 2^5015001000 is an apocalyptic number.

5015001000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5015001000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7839374400).

5015001000 is an abundant number, since it is smaller than the sum of its proper divisors (10663747800).

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

5015001000 is a wasteful number, since it uses less digits than its factorization.

5015001000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3436 (or 3422 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 12.

The square root of 5015001000 is about 70816.6717659055. The cubic root of 5015001000 is about 1711.6843292627.

Adding to 5015001000 its reverse (1005105), we get a palindrome (5016006105).

The spelling of 5015001000 in words is "five billion, fifteen million, one thousand".