1116252215 has 64 divisors (see below), whose sum is σ = 1609445376. Its totient is φ = 734840832.

The previous prime is 1116252173. The next prime is 1116252217. The reversal of 1116252215 is 5122526111.

It is a cyclic number.

It is not a de Polignac number, because 1116252215 - 2¹⁴ = 1116235831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116252217) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4244174 + ... + 4244436.

It is an arithmetic number, because the mean of its divisors is an integer number (25147584).

Almost surely, 2^1116252215 is an apocalyptic number.

1116252215 is a deficient number, since it is larger than the sum of its proper divisors (493193161).

1116252215 is a wasteful number, since it uses less digits than its factorization.

1116252215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488.

The product of its digits is 1200, while the sum is 26.

The square root of 1116252215 is about 33410.3608929925. The cubic root of 1116252215 is about 1037.3391716640.

Adding to 1116252215 its reverse (5122526111), we get a palindrome (6238778326).

The spelling of 1116252215 in words is "one billion, one hundred sixteen million, two hundred fifty-two thousand, two hundred fifteen".