1163152512 has 96 divisors (see below), whose sum is σ = 3544039980. Its totient is φ = 364904448.

The previous prime is 1163152447. The next prime is 1163152541. The reversal of 1163152512 is 2152513611.

1163152512 is a `hidden beast` number, since 1 + 1 + 631 + 5 + 25 + 1 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1163082816 + 69696 = 34104^2 + 264^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10113 + ... + 49280.

Almost surely, 2^1163152512 is an apocalyptic number.

1163152512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1163152512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1772019990).

1163152512 is an abundant number, since it is smaller than the sum of its proper divisors (2380887468).

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

1163152512 is a wasteful number, since it uses less digits than its factorization.

1163152512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59430 (or 59415 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 1163152512 is about 34105.0218003156. The cubic root of 1163152512 is about 1051.6685525447.

The spelling of 1163152512 in words is "one billion, one hundred sixty-three million, one hundred fifty-two thousand, five hundred twelve".