126580819270079 has 4 divisors (see below), whose sum is σ = 126580876902480. Its totient is φ = 126580761637680.

The previous prime is 126580819270057. The next prime is 126580819270097. The reversal of 126580819270079 is 970072918085621.

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

It is a cyclic number.

It is not a de Polignac number, because 126580819270079 - 2²⁰ = 126580818221503 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126580819269997 and 126580819270024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126580809270079) 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, 25385534 + ... + 29959755.

It is an arithmetic number, because the mean of its divisors is an integer number (31645219225620).

Almost surely, 2^{126580819270079} is an apocalyptic number.

126580819270079 is a deficient number, since it is larger than the sum of its proper divisors (57632401).

126580819270079 is an equidigital number, since it uses as much as digits as its factorization.

126580819270079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57632400.

The product of its (nonzero) digits is 30481920, while the sum is 65.

The spelling of 126580819270079 in words is "one hundred twenty-six trillion, five hundred eighty billion, eight hundred nineteen million, two hundred seventy thousand, seventy-nine".