12536667135 has 16 divisors (see below), whose sum is σ = 22287408480. Its totient is φ = 6686222400.

The previous prime is 12536667133. The next prime is 12536667139. The reversal of 12536667135 is 53176663521.

It is not a de Polignac number, because 12536667135 - 2¹ = 12536667133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12536667133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46431966 + ... + 46432235.

It is an arithmetic number, because the mean of its divisors is an integer number (1392963030).

Almost surely, 2^12536667135 is an apocalyptic number.

12536667135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12536667135 is a deficient number, since it is larger than the sum of its proper divisors (9750741345).

12536667135 is an equidigital number, since it uses as much as digits as its factorization.

12536667135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92864215 (or 92864209 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The spelling of 12536667135 in words is "twelve billion, five hundred thirty-six million, six hundred sixty-seven thousand, one hundred thirty-five".