1115280415 has 16 divisors (see below), whose sum is σ = 1348275168. Its totient is φ = 885620736.

The previous prime is 1115280403. The next prime is 1115280433. The reversal of 1115280415 is 5140825111.

It is a cyclic number.

It is not a de Polignac number, because 1115280415 - 2⁹ = 1115279903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 555804 + ... + 557806.

It is an arithmetic number, because the mean of its divisors is an integer number (84267198).

Almost surely, 2^1115280415 is an apocalyptic number.

1115280415 is a deficient number, since it is larger than the sum of its proper divisors (232994753).

1115280415 is a wasteful number, since it uses less digits than its factorization.

1115280415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778.

The product of its (nonzero) digits is 1600, while the sum is 28.

The square root of 1115280415 is about 33395.8143335359. The cubic root of 1115280415 is about 1037.0380512784.

The spelling of 1115280415 in words is "one billion, one hundred fifteen million, two hundred eighty thousand, four hundred fifteen".