1156355828 has 24 divisors (see below), whose sum is σ = 2087027712. Its totient is φ = 560274624.

The previous prime is 1156355819. The next prime is 1156355839. The reversal of 1156355828 is 8285536511.

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, 4625 + ... + 48312.

It is an arithmetic number, because the mean of its divisors is an integer number (86959488).

Almost surely, 2^1156355828 is an apocalyptic number.

It is an amenable number.

1156355828 is a deficient number, since it is larger than the sum of its proper divisors (930671884).

1156355828 is a wasteful number, since it uses less digits than its factorization.

1156355828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53111 (or 53109 counting only the distinct ones).

The product of its digits is 288000, while the sum is 44.

The square root of 1156355828 is about 34005.2323620939. The cubic root of 1156355828 is about 1049.6161342086.

The spelling of 1156355828 in words is "one billion, one hundred fifty-six million, three hundred fifty-five thousand, eight hundred twenty-eight".