12775277650139 has 4 divisors (see below), whose sum is σ = 12929196658056. Its totient is φ = 12621358642224.

The previous prime is 12775277650103. The next prime is 12775277650207. The reversal of 12775277650139 is 93105677257721.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12775277650139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12775277650339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76959503834 + ... + 76959503999.

It is an arithmetic number, because the mean of its divisors is an integer number (3232299164514).

Almost surely, 2^{12775277650139} is an apocalyptic number.

12775277650139 is a deficient number, since it is larger than the sum of its proper divisors (153919007917).

12775277650139 is an equidigital number, since it uses as much as digits as its factorization.

12775277650139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153919007916.

The product of its (nonzero) digits is 38896200, while the sum is 62.

The spelling of 12775277650139 in words is "twelve trillion, seven hundred seventy-five billion, two hundred seventy-seven million, six hundred fifty thousand, one hundred thirty-nine".