2551115424 has 96 divisors (see below), whose sum is σ = 7867468224. Its totient is φ = 713594880.

The previous prime is 2551115417. The next prime is 2551115429. The reversal of 2551115424 is 4245111552.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 2551115391 and 2551115400.

It is not an unprimeable number, because it can be changed into a prime (2551115429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79189 + ... + 106644.

It is an arithmetic number, because the mean of its divisors is an integer number (81952794).

Almost surely, 2^2551115424 is an apocalyptic number.

2551115424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2551115424 is an abundant number, since it is smaller than the sum of its proper divisors (5316352800).

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

2551115424 is a wasteful number, since it uses less digits than its factorization.

2551115424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185870 (or 185862 counting only the distinct ones).

The product of its digits is 8000, while the sum is 30.

The square root of 2551115424 is about 50508.5678276468. The cubic root of 2551115424 is about 1366.3963802060.

Adding to 2551115424 its reverse (4245111552), we get a palindrome (6796226976).

The spelling of 2551115424 in words is "two billion, five hundred fifty-one million, one hundred fifteen thousand, four hundred twenty-four".