2551287113 has 8 divisors (see below), whose sum is σ = 2581813920. Its totient is φ = 2520846720.

The previous prime is 2551287103. The next prime is 2551287133. The reversal of 2551287113 is 3117821552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2551287113 - 2⁴ = 2551287097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2551287103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38798 + ... + 81288.

It is an arithmetic number, because the mean of its divisors is an integer number (322726740).

Almost surely, 2^2551287113 is an apocalyptic number.

It is an amenable number.

2551287113 is a deficient number, since it is larger than the sum of its proper divisors (30526807).

2551287113 is an equidigital number, since it uses as much as digits as its factorization.

2551287113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43207.

The product of its digits is 16800, while the sum is 35.

The square root of 2551287113 is about 50510.2674017867. The cubic root of 2551287113 is about 1366.4270321532.

The spelling of 2551287113 in words is "two billion, five hundred fifty-one million, two hundred eighty-seven thousand, one hundred thirteen".