1155286372 has 24 divisors (see below), whose sum is σ = 2083805696. Its totient is φ = 560024928.

The previous prime is 1155286303. The next prime is 1155286373. The reversal of 1155286372 is 2736825511.

It is not an unprimeable number, because it can be changed into a prime (1155286373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28093 + ... + 55675.

Almost surely, 2^1155286372 is an apocalyptic number.

It is an amenable number.

1155286372 is a deficient number, since it is larger than the sum of its proper divisors (928519324).

1155286372 is a wasteful number, since it uses less digits than its factorization.

1155286372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27907 (or 27905 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 1155286372 is about 33989.5038504536. The cubic root of 1155286372 is about 1049.2924551480.

The spelling of 1155286372 in words is "one billion, one hundred fifty-five million, two hundred eighty-six thousand, three hundred seventy-two".