1151055660 has 24 divisors (see below), whose sum is σ = 3222956016. Its totient is φ = 306948160.

The previous prime is 1151055623. The next prime is 1151055671. The reversal of 1151055660 is 665501511.

1151055660 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 9592071 + ... + 9592190.

It is an arithmetic number, because the mean of its divisors is an integer number (134289834).

Almost surely, 2^1151055660 is an apocalyptic number.

1151055660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151055660 is an abundant number, since it is smaller than the sum of its proper divisors (2071900356).

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

1151055660 is a wasteful number, since it uses less digits than its factorization.

1151055660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19184273 (or 19184271 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 1151055660 is about 33927.2112028089. The cubic root of 1151055660 is about 1048.0100359838.

The spelling of 1151055660 in words is "one billion, one hundred fifty-one million, fifty-five thousand, six hundred sixty".