125796185563 has 2 divisors, whose sum is σ = 125796185564. Its totient is φ = 125796185562.

The previous prime is 125796185521. The next prime is 125796185597. The reversal of 125796185563 is 365581697521.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (365581697521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125796185563 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125796185498 and 125796185507.

It is not a weakly prime, because it can be changed into another prime (125796185503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62898092781 + 62898092782.

It is an arithmetic number, because the mean of its divisors is an integer number (62898092782).

Almost surely, 2^125796185563 is an apocalyptic number.

125796185563 is a deficient number, since it is larger than the sum of its proper divisors (1).

125796185563 is an equidigital number, since it uses as much as digits as its factorization.

125796185563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608000, while the sum is 58.

The spelling of 125796185563 in words is "one hundred twenty-five billion, seven hundred ninety-six million, one hundred eighty-five thousand, five hundred sixty-three".