2551502516112 has 120 divisors (see below), whose sum is σ = 7793196435648. Its totient is φ = 772846905600.

The previous prime is 2551502516093. The next prime is 2551502516113. The reversal of 2551502516112 is 2116152051552.

2551502516112 is a `hidden beast` number, since 2 + 5 + 5 + 15 + 0 + 25 + 1 + 611 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2551502516113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3312118 + ... + 4009130.

Almost surely, 2^{2551502516112} is an apocalyptic number.

2551502516112 is a gapful number since it is divisible by the number (22) 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 2551502516112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3896598217824).

2551502516112 is an abundant number, since it is smaller than the sum of its proper divisors (5241693919536).

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

2551502516112 is a wasteful number, since it uses less digits than its factorization.

2551502516112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699349 (or 699340 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 36.

Adding to 2551502516112 its reverse (2116152051552), we get a palindrome (4667654567664).

The spelling of 2551502516112 in words is "two trillion, five hundred fifty-one billion, five hundred two million, five hundred sixteen thousand, one hundred twelve".