12356091135 has 120 divisors (see below), whose sum is σ = 23357743200. Its totient is φ = 6246564480.

The previous prime is 12356091091. The next prime is 12356091149. The reversal of 12356091135 is 53119065321.

It is a happy number.

12356091135 is a `hidden beast` number, since 1 + 2 + 3 + 5 + 609 + 11 + 35 = 666.

It is not a de Polignac number, because 12356091135 - 2⁶ = 12356091071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12356091135.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 20627566 + ... + 20628164.

It is an arithmetic number, because the mean of its divisors is an integer number (194647860).

Almost surely, 2^12356091135 is an apocalyptic number.

12356091135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12356091135 is a deficient number, since it is larger than the sum of its proper divisors (11001652065).

12356091135 is an equidigital number, since it uses as much as digits as its factorization.

12356091135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The spelling of 12356091135 in words is "twelve billion, three hundred fifty-six million, ninety-one thousand, one hundred thirty-five".