1155053700 has 108 divisors (see below), whose sum is σ = 3811058160. Its totient is φ = 291798720.

The previous prime is 1155053687. The next prime is 1155053737. The reversal of 1155053700 is 73505511.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16674 + ... + 50873.

Almost surely, 2^1155053700 is an apocalyptic number.

1155053700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1155053700 is an abundant number, since it is smaller than the sum of its proper divisors (2656004460).

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

1155053700 is a wasteful number, since it uses less digits than its factorization.

1155053700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67586 (or 67576 counting only the distinct ones).

The product of its (nonzero) digits is 2625, while the sum is 27.

The square root of 1155053700 is about 33986.0809744225. The cubic root of 1155053700 is about 1049.2220087284. Note that the first 3 decimals are identical.

The spelling of 1155053700 in words is "one billion, one hundred fifty-five million, fifty-three thousand, seven hundred".