126814325563 has 4 divisors (see below), whose sum is σ = 126824360688. Its totient is φ = 126804290440.

The previous prime is 126814325537. The next prime is 126814325569. The reversal of 126814325563 is 365523418621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 365523418621 = 233 ⋅1568770037.

It is a cyclic number.

It is not a de Polignac number, because 126814325563 - 2²⁹ = 126277454651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126814325569) 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, 4998583 + ... + 5023888.

It is an arithmetic number, because the mean of its divisors is an integer number (31706090172).

Almost surely, 2^126814325563 is an apocalyptic number.

126814325563 is a deficient number, since it is larger than the sum of its proper divisors (10035125).

126814325563 is a wasteful number, since it uses less digits than its factorization.

126814325563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10035124.

The product of its digits is 1036800, while the sum is 46.

The spelling of 126814325563 in words is "one hundred twenty-six billion, eight hundred fourteen million, three hundred twenty-five thousand, five hundred sixty-three".