1161010005 has 16 divisors (see below), whose sum is σ = 1862686464. Its totient is φ = 617515200.

The previous prime is 1161009929. The next prime is 1161010021. The reversal of 1161010005 is 5000101611.

It is not a de Polignac number, because 1161010005 - 2⁸ = 1161009749 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99946 + ... + 110955.

It is an arithmetic number, because the mean of its divisors is an integer number (116417904).

Almost surely, 2^1161010005 is an apocalyptic number.

1161010005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1161010005 is a deficient number, since it is larger than the sum of its proper divisors (701676459).

1161010005 is a wasteful number, since it uses less digits than its factorization.

1161010005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211276.

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 1161010005 is about 34073.5968896740. The cubic root of 1161010005 is about 1051.0224371855.

Adding to 1161010005 its reverse (5000101611), we get a palindrome (6161111616).

The spelling of 1161010005 in words is "one billion, one hundred sixty-one million, ten thousand, five".