1115254665 has 96 divisors (see below), whose sum is σ = 2280934656. Its totient is φ = 493516800.

The previous prime is 1115254603. The next prime is 1115254709. The reversal of 1115254665 is 5664525111.

1115254665 is a `hidden beast` number, since 1 + 1 + 1 + 52 + 546 + 65 = 666.

It is not a de Polignac number, because 1115254665 - 2¹⁰ = 1115253641 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1855365 + ... + 1855965.

It is an arithmetic number, because the mean of its divisors is an integer number (23759736).

Almost surely, 2^1115254665 is an apocalyptic number.

1115254665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1115254665 is an abundant number, since it is smaller than the sum of its proper divisors (1165679991).

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

1115254665 is a wasteful number, since it uses less digits than its factorization.

1115254665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799 (or 796 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 1115254665 is about 33395.4288039546. The cubic root of 1115254665 is about 1037.0300700463.

Adding to 1115254665 its reverse (5664525111), we get a palindrome (6779779776).

The spelling of 1115254665 in words is "one billion, one hundred fifteen million, two hundred fifty-four thousand, six hundred sixty-five".