2501116003 has 4 divisors (see below), whose sum is σ = 2529218520. Its totient is φ = 2473013488.

The previous prime is 2501115983. The next prime is 2501116021. The reversal of 2501116003 is 3006111052.

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 2501116003 - 2¹⁷ = 2500984931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2501116073) 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, 14051125 + ... + 14051302.

It is an arithmetic number, because the mean of its divisors is an integer number (632304630).

Almost surely, 2^2501116003 is an apocalyptic number.

2501116003 is a deficient number, since it is larger than the sum of its proper divisors (28102517).

2501116003 is an equidigital number, since it uses as much as digits as its factorization.

2501116003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28102516.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 2501116003 is about 50011.1587848152. The cubic root of 2501116003 is about 1357.4107314677.

Adding to 2501116003 its reverse (3006111052), we get a palindrome (5507227055).

It can be divided in two parts, 25011 and 16003, that added together give a palindrome (41014).

The spelling of 2501116003 in words is "two billion, five hundred one million, one hundred sixteen thousand, three".