1147152915 has 16 divisors (see below), whose sum is σ = 2039383200. Its totient is φ = 611814816.

The previous prime is 1147152883. The next prime is 1147152947. The reversal of 1147152915 is 5192517411.

1147152915 is a `hidden beast` number, since 114 + 7 + 1 + 529 + 15 = 666.

It is an interprime number because it is at equal distance from previous prime (1147152883) and next prime (1147152947).

It is not a de Polignac number, because 1147152915 - 2⁵ = 1147152883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1147152915.

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, 4248580 + ... + 4248849.

It is an arithmetic number, because the mean of its divisors is an integer number (127461450).

Almost surely, 2^1147152915 is an apocalyptic number.

1147152915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1147152915 is a deficient number, since it is larger than the sum of its proper divisors (892230285).

1147152915 is an equidigital number, since it uses as much as digits as its factorization.

1147152915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8497443 (or 8497437 counting only the distinct ones).

The product of its digits is 12600, while the sum is 36.

The square root of 1147152915 is about 33869.6459237471. The cubic root of 1147152915 is about 1046.8242412339.

The spelling of 1147152915 in words is "one billion, one hundred forty-seven million, one hundred fifty-two thousand, nine hundred fifteen".