12263639955 has 16 divisors (see below), whose sum is σ = 22424941824. Its totient is φ = 5606235360.

The previous prime is 12263639953. The next prime is 12263639987. The reversal of 12263639955 is 55993636221.

It is not a de Polignac number, because 12263639955 - 2¹ = 12263639953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12263639898 and 12263639907.

It is not an unprimeable number, because it can be changed into a prime (12263639953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58398181 + ... + 58398390.

It is an arithmetic number, because the mean of its divisors is an integer number (1401558864).

Almost surely, 2^12263639955 is an apocalyptic number.

12263639955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12263639955 is a deficient number, since it is larger than the sum of its proper divisors (10161301869).

12263639955 is a wasteful number, since it uses less digits than its factorization.

12263639955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116796586.

The product of its digits is 2624400, while the sum is 51.

The spelling of 12263639955 in words is "twelve billion, two hundred sixty-three million, six hundred thirty-nine thousand, nine hundred fifty-five".