1115906472 has 48 divisors (see below), whose sum is σ = 3024358740. Its totient is φ = 371708928.

The previous prime is 1115906453. The next prime is 1115906497. The reversal of 1115906472 is 2746095111.

1115906472 is a `hidden beast` number, since 1 + 1 + 1 + 5 + 9 + 0 + 647 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 899640036 + 216266436 = 29994^2 + 14706^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117618 + ... + 126750.

Almost surely, 2^1115906472 is an apocalyptic number.

1115906472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1115906472 is an abundant number, since it is smaller than the sum of its proper divisors (1908452268).

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

1115906472 is a wasteful number, since it uses less digits than its factorization.

1115906472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10842 (or 10835 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 1115906472 is about 33405.1863039259. The cubic root of 1115906472 is about 1037.2320603297.

The spelling of 1115906472 in words is "one billion, one hundred fifteen million, nine hundred six thousand, four hundred seventy-two".