12443762573555 has 4 divisors (see below), whose sum is σ = 14932515088272. Its totient is φ = 9955010058840.

The previous prime is 12443762573549. The next prime is 12443762573569. The reversal of 12443762573555 is 55537526734421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12443762573555 - 2¹⁰ = 12443762572531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12443762573494 and 12443762573503.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1244376257351 + ... + 1244376257360.

It is an arithmetic number, because the mean of its divisors is an integer number (3733128772068).

Almost surely, 2^{12443762573555} is an apocalyptic number.

12443762573555 is a deficient number, since it is larger than the sum of its proper divisors (2488752514717).

12443762573555 is an equidigital number, since it uses as much as digits as its factorization.

12443762573555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2488752514716.

The product of its digits is 105840000, while the sum is 59.

The spelling of 12443762573555 in words is "twelve trillion, four hundred forty-three billion, seven hundred sixty-two million, five hundred seventy-three thousand, five hundred fifty-five".