101161005 has 16 divisors (see below), whose sum is σ = 176572224. Its totient is φ = 49047680.

The previous prime is 101160989. The next prime is 101161037. The reversal of 101161005 is 500161101.

It is not a de Polignac number, because 101161005 - 2⁴ = 101160989 is a prime.

It is a super-2 number, since 2×101161005² = 20467097865220050, which contains 22 as substring.

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, 306384 + ... + 306713.

It is an arithmetic number, because the mean of its divisors is an integer number (11035764).

Almost surely, 2^101161005 is an apocalyptic number.

101161005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101161005 is a deficient number, since it is larger than the sum of its proper divisors (75411219).

101161005 is a wasteful number, since it uses less digits than its factorization.

101161005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613116.

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

The square root of 101161005 is about 10057.8827294814. The cubic root of 101161005 is about 465.9482787495.

The spelling of 101161005 in words is "one hundred one million, one hundred sixty-one thousand, five".