1116251351 has 4 divisors (see below), whose sum is σ = 1116576600. Its totient is φ = 1115926104.

The previous prime is 1116251347. The next prime is 1116251369. The reversal of 1116251351 is 1531526111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1531526111 = 2371 ⋅645941.

It is a cyclic number.

It is not a de Polignac number, because 1116251351 - 2² = 1116251347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1116251351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116251321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157421 + ... + 164358.

It is an arithmetic number, because the mean of its divisors is an integer number (279144150).

Almost surely, 2^1116251351 is an apocalyptic number.

1116251351 is a deficient number, since it is larger than the sum of its proper divisors (325249).

1116251351 is an equidigital number, since it uses as much as digits as its factorization.

1116251351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325248.

The product of its digits is 900, while the sum is 26.

The square root of 1116251351 is about 33410.3479628692. The cubic root of 1116251351 is about 1037.3389040240.

Adding to 1116251351 its reverse (1531526111), we get a palindrome (2647777462).

The spelling of 1116251351 in words is "one billion, one hundred sixteen million, two hundred fifty-one thousand, three hundred fifty-one".