1160565501 has 16 divisors (see below), whose sum is σ = 1585453824. Its totient is φ = 754800384.

The previous prime is 1160565493. The next prime is 1160565541. The reversal of 1160565501 is 1055650611.

It is not a de Polignac number, because 1160565501 - 2³ = 1160565493 is a prime.

It is a super-2 number, since 2×1160565501² = 2693824564222762002, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1160565541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30985 + ... + 57281.

It is an arithmetic number, because the mean of its divisors is an integer number (99090864).

Almost surely, 2^1160565501 is an apocalyptic number.

It is an amenable number.

1160565501 is a deficient number, since it is larger than the sum of its proper divisors (424888323).

1160565501 is a wasteful number, since it uses less digits than its factorization.

1160565501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26660.

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

The square root of 1160565501 is about 34067.0735608446. The cubic root of 1160565501 is about 1050.8882886683. Note that the first 3 decimals are identical.

The spelling of 1160565501 in words is "one billion, one hundred sixty million, five hundred sixty-five thousand, five hundred one".