1115115465 has 16 divisors (see below), whose sum is σ = 1785970368. Its totient is φ = 594133056.

The previous prime is 1115115457. The next prime is 1115115487. The reversal of 1115115465 is 5645115111.

It is not a de Polignac number, because 1115115465 - 2³ = 1115115457 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21499 + ... + 51888.

It is an arithmetic number, because the mean of its divisors is an integer number (111623148).

Almost surely, 2^1115115465 is an apocalyptic number.

1115115465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1115115465 is a deficient number, since it is larger than the sum of its proper divisors (670854903).

1115115465 is a wasteful number, since it uses less digits than its factorization.

1115115465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74408.

The product of its digits is 3000, while the sum is 30.

The square root of 1115115465 is about 33393.3446213463. The cubic root of 1115115465 is about 1036.9869227735.

The spelling of 1115115465 in words is "one billion, one hundred fifteen million, one hundred fifteen thousand, four hundred sixty-five".