12740264351755 has 4 divisors (see below), whose sum is σ = 15288317222112. Its totient is φ = 10192211481400.

The previous prime is 12740264351747. The next prime is 12740264351777. The reversal of 12740264351755 is 55715346204721.

12740264351755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12740264351755 - 2³ = 12740264351747 is a prime.

It is a Duffinian number.

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, 1274026435171 + ... + 1274026435180.

It is an arithmetic number, because the mean of its divisors is an integer number (3822079305528).

Almost surely, 2^{12740264351755} is an apocalyptic number.

12740264351755 is a deficient number, since it is larger than the sum of its proper divisors (2548052870357).

12740264351755 is an equidigital number, since it uses as much as digits as its factorization.

12740264351755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548052870356.

The product of its (nonzero) digits is 7056000, while the sum is 52.

The spelling of 12740264351755 in words is "twelve trillion, seven hundred forty billion, two hundred sixty-four million, three hundred fifty-one thousand, seven hundred fifty-five".