12436331055 has 16 divisors (see below), whose sum is σ = 19900667904. Its totient is φ = 6631863840.

The previous prime is 12436330999. The next prime is 12436331057. The reversal of 12436331055 is 55013363421.

It is not a de Polignac number, because 12436331055 - 2¹⁷ = 12436199983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12436331057) 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, 79290 + ... + 176520.

It is an arithmetic number, because the mean of its divisors is an integer number (1243791744).

Almost surely, 2^12436331055 is an apocalyptic number.

12436331055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12436331055 is a deficient number, since it is larger than the sum of its proper divisors (7464336849).

12436331055 is an equidigital number, since it uses as much as digits as its factorization.

12436331055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105766.

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 12436331055 its reverse (55013363421), we get a palindrome (67449694476).

The spelling of 12436331055 in words is "twelve billion, four hundred thirty-six million, three hundred thirty-one thousand, fifty-five".