2251451115 has 24 divisors (see below), whose sum is σ = 3909323808. Its totient is φ = 1198679040.

The previous prime is 2251451101. The next prime is 2251451123. The reversal of 2251451115 is 5111541522.

It is a happy number.

2251451115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2251451115 - 2⁶ = 2251451051 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17391 + ... + 69320.

It is an arithmetic number, because the mean of its divisors is an integer number (162888492).

Almost surely, 2^2251451115 is an apocalyptic number.

2251451115 is a deficient number, since it is larger than the sum of its proper divisors (1657872693).

2251451115 is a wasteful number, since it uses less digits than its factorization.

2251451115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87299 (or 87296 counting only the distinct ones).

The product of its digits is 2000, while the sum is 27.

The square root of 2251451115 is about 47449.4585322109. The cubic root of 2251451115 is about 1310.6523400580.

Adding to 2251451115 its reverse (5111541522), we get a palindrome (7362992637).

The spelling of 2251451115 in words is "two billion, two hundred fifty-one million, four hundred fifty-one thousand, one hundred fifteen".