91112144195 has 8 divisors (see below), whose sum is σ = 109422967344. Its totient is φ = 72830785824.

The previous prime is 91112144161. The next prime is 91112144197. The reversal of 91112144195 is 59144121119.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 91112144195 - 2¹⁴ = 91112127811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91112144197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7359389 + ... + 7371758.

It is an arithmetic number, because the mean of its divisors is an integer number (13677870918).

Almost surely, 2^91112144195 is an apocalyptic number.

91112144195 is a deficient number, since it is larger than the sum of its proper divisors (18310823149).

91112144195 is a wasteful number, since it uses less digits than its factorization.

91112144195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14732389.

The product of its digits is 12960, while the sum is 38.

The spelling of 91112144195 in words is "ninety-one billion, one hundred twelve million, one hundred forty-four thousand, one hundred ninety-five".