1161523652 has 24 divisors (see below), whose sum is σ = 2043682200. Its totient is φ = 577624320.

The previous prime is 1161523651. The next prime is 1161523679. The reversal of 1161523652 is 2563251611.

It can be written as a sum of positive squares in 4 ways, for example, as 67634176 + 1093889476 = 8224^2 + 33074^2 .

It is not an unprimeable number, because it can be changed into a prime (1161523651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 726518 + ... + 728114.

It is an arithmetic number, because the mean of its divisors is an integer number (85153425).

Almost surely, 2^1161523652 is an apocalyptic number.

It is an amenable number.

1161523652 is a deficient number, since it is larger than the sum of its proper divisors (882158548).

1161523652 is a wasteful number, since it uses less digits than its factorization.

1161523652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471 (or 2469 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

The square root of 1161523652 is about 34081.1333731729. The cubic root of 1161523652 is about 1051.1774099897.

The spelling of 1161523652 in words is "one billion, one hundred sixty-one million, five hundred twenty-three thousand, six hundred fifty-two".