2521103144 has 16 divisors (see below), whose sum is σ = 5402364000. Its totient is φ = 1080472752.

The previous prime is 2521103129. The next prime is 2521103149. The reversal of 2521103144 is 4413011252.

It is a super-2 number, since 2×2521103144² = 12711922125373369472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2521103149) 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, 22509794 + ... + 22509905.

It is an arithmetic number, because the mean of its divisors is an integer number (337647750).

Almost surely, 2^2521103144 is an apocalyptic number.

It is an amenable number.

2521103144 is an abundant number, since it is smaller than the sum of its proper divisors (2881260856).

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

2521103144 is a wasteful number, since it uses less digits than its factorization.

2521103144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45019712 (or 45019708 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2521103144 is about 50210.5879670812. The cubic root of 2521103144 is about 1361.0169628312.

Adding to 2521103144 its reverse (4413011252), we get a palindrome (6934114396).

The spelling of 2521103144 in words is "two billion, five hundred twenty-one million, one hundred three thousand, one hundred forty-four".