1155822804 has 48 divisors (see below), whose sum is σ = 3000291840. Its totient is φ = 384796800.

The previous prime is 1155822799. The next prime is 1155822907. The reversal of 1155822804 is 4082285511.

1155822804 is a `hidden beast` number, since 1 + 1 + 558 + 22 + 80 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87004 + ... + 99404.

It is an arithmetic number, because the mean of its divisors is an integer number (62506080).

Almost surely, 2^1155822804 is an apocalyptic number.

It is an amenable number.

1155822804 is an abundant number, since it is smaller than the sum of its proper divisors (1844469036).

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

1155822804 is a wasteful number, since it uses less digits than its factorization.

1155822804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13277 (or 13269 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The square root of 1155822804 is about 33997.3940766053. The cubic root of 1155822804 is about 1049.4548353644.

The spelling of 1155822804 in words is "one billion, one hundred fifty-five million, eight hundred twenty-two thousand, eight hundred four".