91095053072 has 20 divisors (see below), whose sum is σ = 176879535756. Its totient is φ = 45448721280.

The previous prime is 91095053053. The next prime is 91095053167. The reversal of 91095053072 is 27035059019.

It can be written as a sum of positive squares in 2 ways, for example, as 17217638656 + 73877414416 = 131216^2 + 271804^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6167723 + ... + 6182474.

Almost surely, 2^91095053072 is an apocalyptic number.

It is an amenable number.

91095053072 is a deficient number, since it is larger than the sum of its proper divisors (85784482684).

91095053072 is a wasteful number, since it uses less digits than its factorization.

91095053072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12350666 (or 12350660 counting only the distinct ones).

The product of its (nonzero) digits is 85050, while the sum is 41.

The spelling of 91095053072 in words is "ninety-one billion, ninety-five million, fifty-three thousand, seventy-two".