101161064999 has 4 divisors (see below), whose sum is σ = 101180565480. Its totient is φ = 101141564520.

The previous prime is 101161064989. The next prime is 101161065007. The reversal of 101161064999 is 999460161101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101161064999 - 2³² = 96866097703 is a prime.

It is a super-2 number, since 2×101161064999² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101161064959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9742457 + ... + 9752834.

It is an arithmetic number, because the mean of its divisors is an integer number (25295141370).

Almost surely, 2^101161064999 is an apocalyptic number.

101161064999 is a deficient number, since it is larger than the sum of its proper divisors (19500481).

101161064999 is an equidigital number, since it uses as much as digits as its factorization.

101161064999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19500480.

The product of its (nonzero) digits is 104976, while the sum is 47.

The spelling of 101161064999 in words is "one hundred one billion, one hundred sixty-one million, sixty-four thousand, nine hundred ninety-nine".