1155528456 has 16 divisors (see below), whose sum is σ = 2888821200. Its totient is φ = 385176144.

The previous prime is 1155528443. The next prime is 1155528467. The reversal of 1155528456 is 6548255511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24073486 + ... + 24073533.

It is an arithmetic number, because the mean of its divisors is an integer number (180551325).

Almost surely, 2^1155528456 is an apocalyptic number.

It is an amenable number.

1155528456 is an abundant number, since it is smaller than the sum of its proper divisors (1733292744).

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

1155528456 is a wasteful number, since it uses less digits than its factorization.

1155528456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48147028 (or 48147024 counting only the distinct ones).

The product of its digits is 240000, while the sum is 42.

The square root of 1155528456 is about 33993.0648221075. The cubic root of 1155528456 is about 1049.3657412124.

The spelling of 1155528456 in words is "one billion, one hundred fifty-five million, five hundred twenty-eight thousand, four hundred fifty-six".