126846078429599 has 2 divisors, whose sum is σ = 126846078429600. Its totient is φ = 126846078429598.

The previous prime is 126846078429583. The next prime is 126846078429611. The reversal of 126846078429599 is 995924870648621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126846078429599 - 2⁴ = 126846078429583 is a prime.

It is a super-2 number, since 2×126846078429599² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126846078428599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63423039214799 + 63423039214800.

It is an arithmetic number, because the mean of its divisors is an integer number (63423039214800).

Almost surely, 2^{126846078429599} is an apocalyptic number.

126846078429599 is a deficient number, since it is larger than the sum of its proper divisors (1).

126846078429599 is an equidigital number, since it uses as much as digits as its factorization.

126846078429599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3762339840, while the sum is 80.

The spelling of 126846078429599 in words is "one hundred twenty-six trillion, eight hundred forty-six billion, seventy-eight million, four hundred twenty-nine thousand, five hundred ninety-nine".