1155056588 has 24 divisors (see below), whose sum is σ = 2431699200. Its totient is φ = 468970128.

The previous prime is 1155056587. The next prime is 1155056597. The reversal of 1155056588 is 8856505511.

It is not an unprimeable number, because it can be changed into a prime (1155056587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1085048 + ... + 1086111.

It is an arithmetic number, because the mean of its divisors is an integer number (101320800).

Almost surely, 2^1155056588 is an apocalyptic number.

It is an amenable number.

1155056588 is an abundant number, since it is smaller than the sum of its proper divisors (1276642612).

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

1155056588 is a wasteful number, since it uses less digits than its factorization.

1155056588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171189 (or 2171187 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 44.

The square root of 1155056588 is about 33986.1234623780. The cubic root of 1155056588 is about 1049.2228831901. Note that the first 3 decimals are identical.

The spelling of 1155056588 in words is "one billion, one hundred fifty-five million, fifty-six thousand, five hundred eighty-eight".