12455438742911 has 8 divisors (see below), whose sum is σ = 12579076823040. Its totient is φ = 12331852807032.

The previous prime is 12455438742883. The next prime is 12455438742949. The reversal of 12455438742911 is 11924783455421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12455438742911 - 2²² = 12455434548607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12455438712911) 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 7 ways as a sum of consecutive naturals, for example, 12555875 + ... + 13511508.

It is an arithmetic number, because the mean of its divisors is an integer number (1572384602880).

Almost surely, 2^{12455438742911} is an apocalyptic number.

12455438742911 is a deficient number, since it is larger than the sum of its proper divisors (123638080129).

12455438742911 is a wasteful number, since it uses less digits than its factorization.

12455438742911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26072125.

The product of its digits is 9676800, while the sum is 56.

The spelling of 12455438742911 in words is "twelve trillion, four hundred fifty-five billion, four hundred thirty-eight million, seven hundred forty-two thousand, nine hundred eleven".