1156353044 has 24 divisors (see below), whose sum is σ = 2522952768. Its totient is φ = 450527040.

The previous prime is 1156353013. The next prime is 1156353089. The reversal of 1156353044 is 4403536511.

It is a self number, because there is not a number n which added to its sum of digits gives 1156353044.

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, 1876889 + ... + 1877504.

It is an arithmetic number, because the mean of its divisors is an integer number (105123032).

Almost surely, 2^1156353044 is an apocalyptic number.

1156353044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1156353044 is an abundant number, since it is smaller than the sum of its proper divisors (1366599724).

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

1156353044 is a wasteful number, since it uses less digits than its factorization.

1156353044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3754415 (or 3754413 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 1156353044 is about 34005.1914271924. The cubic root of 1156353044 is about 1049.6152918687.

Adding to 1156353044 its reverse (4403536511), we get a palindrome (5559889555).

The spelling of 1156353044 in words is "one billion, one hundred fifty-six million, three hundred fifty-three thousand, forty-four".