125827778059 has 2 divisors, whose sum is σ = 125827778060. Its totient is φ = 125827778058.

The previous prime is 125827778023. The next prime is 125827778093. The reversal of 125827778059 is 950877728521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125827778059 - 2⁷ = 125827777931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125827777988 and 125827778006.

It is not a weakly prime, because it can be changed into another prime (125827778959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62913889029 + 62913889030.

It is an arithmetic number, because the mean of its divisors is an integer number (62913889030).

Almost surely, 2^125827778059 is an apocalyptic number.

125827778059 is a deficient number, since it is larger than the sum of its proper divisors (1).

125827778059 is an equidigital number, since it uses as much as digits as its factorization.

125827778059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19756800, while the sum is 61.

It can be divided in two parts, 1258277 and 78059, that added together give a 4-th power (1336336 = 34⁴).

The spelling of 125827778059 in words is "one hundred twenty-five billion, eight hundred twenty-seven million, seven hundred seventy-eight thousand, fifty-nine".