2551115112 has 64 divisors (see below), whose sum is σ = 7849591680. Its totient is φ = 672820992.

The previous prime is 2551115111. The next prime is 2551115113. The reversal of 2551115112 is 2115111552.

It is an interprime number because it is at equal distance from previous prime (2551115111) and next prime (2551115113).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2551115111) 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, 581863 + ... + 586230.

It is an arithmetic number, because the mean of its divisors is an integer number (122649870).

Almost surely, 2^2551115112 is an apocalyptic number.

It is an amenable number.

2551115112 is an abundant number, since it is smaller than the sum of its proper divisors (5298476568).

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

2551115112 is a wasteful number, since it uses less digits than its factorization.

2551115112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168122 (or 1168118 counting only the distinct ones).

The product of its digits is 500, while the sum is 24.

The square root of 2551115112 is about 50508.5647390618. The cubic root of 2551115112 is about 1366.3963245029.

Adding to 2551115112 its reverse (2115111552), we get a palindrome (4666226664).

The spelling of 2551115112 in words is "two billion, five hundred fifty-one million, one hundred fifteen thousand, one hundred twelve".