126036366550403 has 4 divisors (see below), whose sum is σ = 132669859526760. Its totient is φ = 119402873574048.

The previous prime is 126036366550379. The next prime is 126036366550489. The reversal of 126036366550403 is 304055663630621.

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 126036366550403 - 2¹⁴ = 126036366534019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126036366555403) 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, 3316746488150 + ... + 3316746488187.

It is an arithmetic number, because the mean of its divisors is an integer number (33167464881690).

Almost surely, 2^{126036366550403} is an apocalyptic number.

126036366550403 is a deficient number, since it is larger than the sum of its proper divisors (6633492976357).

126036366550403 is an equidigital number, since it uses as much as digits as its factorization.

126036366550403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6633492976356.

The product of its (nonzero) digits is 6998400, while the sum is 50.

The spelling of 126036366550403 in words is "one hundred twenty-six trillion, thirty-six billion, three hundred sixty-six million, five hundred fifty thousand, four hundred three".