12775391095 has 24 divisors (see below), whose sum is σ = 16485205536. Its totient is φ = 9499643712.

The previous prime is 12775391071. The next prime is 12775391099. The reversal of 12775391095 is 59019357721.

It is not a de Polignac number, because 12775391095 - 2⁵ = 12775391063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12775391099) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28894 + ... + 162436.

It is an arithmetic number, because the mean of its divisors is an integer number (686883564).

Almost surely, 2^12775391095 is an apocalyptic number.

12775391095 is a deficient number, since it is larger than the sum of its proper divisors (3709814441).

12775391095 is a wasteful number, since it uses less digits than its factorization.

12775391095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133639 (or 133620 counting only the distinct ones).

The product of its (nonzero) digits is 595350, while the sum is 49.

The spelling of 12775391095 in words is "twelve billion, seven hundred seventy-five million, three hundred ninety-one thousand, ninety-five".