125355320050 has 24 divisors (see below), whose sum is σ = 233896448196. Its totient is φ = 49983944640.

The previous prime is 125355320017. The next prime is 125355320059. The reversal of 125355320050 is 50023553521.

It can be written as a sum of positive squares in 6 ways, for example, as 1578711289 + 123776608761 = 39733^2 + 351819^2 .

It is a junction number, because it is equal to n+sod(n) for n = 125355319994 and 125355320021.

It is not an unprimeable number, because it can be changed into a prime (125355320059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3938577 + ... + 3970276.

Almost surely, 2^125355320050 is an apocalyptic number.

125355320050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125355320050 is a deficient number, since it is larger than the sum of its proper divisors (108541128146).

125355320050 is a wasteful number, since it uses less digits than its factorization.

125355320050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7909182 (or 7909177 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 31.

Adding to 125355320050 its reverse (50023553521), we get a palindrome (175378873571).

The spelling of 125355320050 in words is "one hundred twenty-five billion, three hundred fifty-five million, three hundred twenty thousand, fifty".