12636155145 has 16 divisors (see below), whose sum is σ = 20220235200. Its totient is φ = 6738487104.

The previous prime is 12636155137. The next prime is 12636155171. The reversal of 12636155145 is 54155163621.

It is not a de Polignac number, because 12636155145 - 2³ = 12636155137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95182 + ... + 185288.

It is an arithmetic number, because the mean of its divisors is an integer number (1263764700).

Almost surely, 2^12636155145 is an apocalyptic number.

12636155145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12636155145 is a deficient number, since it is larger than the sum of its proper divisors (7584080055).

12636155145 is an equidigital number, since it uses as much as digits as its factorization.

12636155145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99464.

The product of its digits is 108000, while the sum is 39.

The spelling of 12636155145 in words is "twelve billion, six hundred thirty-six million, one hundred fifty-five thousand, one hundred forty-five".