1152556356 has 24 divisors (see below), whose sum is σ = 3073483840. Its totient is φ = 329301792.

The previous prime is 1152556351. The next prime is 1152556373. The reversal of 1152556356 is 6536552511.

It is not an unprimeable number, because it can be changed into a prime (1152556351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6860371 + ... + 6860538.

Almost surely, 2^1152556356 is an apocalyptic number.

It is an amenable number.

1152556356 is an abundant number, since it is smaller than the sum of its proper divisors (1920927484).

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

1152556356 is a wasteful number, since it uses less digits than its factorization.

1152556356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13720923 (or 13720921 counting only the distinct ones).

The product of its digits is 135000, while the sum is 39.

The square root of 1152556356 is about 33949.3204055692. The cubic root of 1152556356 is about 1048.4652880700.

The spelling of 1152556356 in words is "one billion, one hundred fifty-two million, five hundred fifty-six thousand, three hundred fifty-six".