1115292816 has 225 divisors, whose sum is σ = 3589144195. Its totient is φ = 323273280.

The previous prime is 1115292809. The next prime is 1115292821. The reversal of 1115292816 is 6182925111.

The square root of 1115292816 is 33396.

It is a perfect power (a square), and thus also a powerful number.

1115292816 is a `hidden beast` number, since 111 + 529 + 2 + 8 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 48490981 + ... + 48491003.

Almost surely, 2^1115292816 is an apocalyptic number.

1115292816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1115292816 is the 33396-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1115292816

1115292816 is an abundant number, since it is smaller than the sum of its proper divisors (2473851379).

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

1115292816 is an equidigital number, since it uses as much as digits as its factorization.

1115292816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 39 counting only the distinct ones).

The product of its digits is 8640, while the sum is 36.

The cubic root of 1115292816 is about 1037.0418949339.

Multiplying 1115292816 by its sum of digits (36), we get a square (40150541376 = 200376²).

1115292816 divided by its sum of digits (36) gives a square (30980356 = 5566²).

The spelling of 1115292816 in words is "one billion, one hundred fifteen million, two hundred ninety-two thousand, eight hundred sixteen".