1160561355 has 32 divisors (see below), whose sum is σ = 1968966144. Its totient is φ = 581715456.

The previous prime is 1160561341. The next prime is 1160561359. The reversal of 1160561355 is 5531650611.

It is not a de Polignac number, because 1160561355 - 2²⁷ = 1026343627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1160561359) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197794 + ... + 203576.

It is an arithmetic number, because the mean of its divisors is an integer number (61530192).

Almost surely, 2^1160561355 is an apocalyptic number.

1160561355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1160561355 is a deficient number, since it is larger than the sum of its proper divisors (808404789).

1160561355 is a wasteful number, since it uses less digits than its factorization.

1160561355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6595.

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 1160561355 is about 34067.0127102451. The cubic root of 1160561355 is about 1050.8870372703.

The spelling of 1160561355 in words is "one billion, one hundred sixty million, five hundred sixty-one thousand, three hundred fifty-five".