1159323612 has 24 divisors (see below), whose sum is σ = 2735485200. Its totient is φ = 382098816.

The previous prime is 1159323593. The next prime is 1159323629. The reversal of 1159323612 is 2163239511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541687 + ... + 543822.

It is an arithmetic number, because the mean of its divisors is an integer number (113978550).

Almost surely, 2^1159323612 is an apocalyptic number.

1159323612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1159323612 is an abundant number, since it is smaller than the sum of its proper divisors (1576161588).

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

1159323612 is a wasteful number, since it uses less digits than its factorization.

1159323612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085605 (or 1085603 counting only the distinct ones).

The product of its digits is 9720, while the sum is 33.

The square root of 1159323612 is about 34048.8415661972. The cubic root of 1159323612 is about 1050.5133127351.

The spelling of 1159323612 in words is "one billion, one hundred fifty-nine million, three hundred twenty-three thousand, six hundred twelve".