125055020050 has 48 divisors (see below), whose sum is σ = 246461982120. Its totient is φ = 47045672960.

The previous prime is 125055020047. The next prime is 125055020107. The reversal of 125055020050 is 50020550521.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 1819619649 + 123235400401 = 42657^2 + 351049^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a junction number, because it is equal to n+sod(n) for n = 125055019997 and 125055020024.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1145442 + ... + 1249858.

Almost surely, 2^125055020050 is an apocalyptic number.

125055020050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125055020050 is a deficient number, since it is larger than the sum of its proper divisors (121406962070).

125055020050 is a wasteful number, since it uses less digits than its factorization.

125055020050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105855 (or 105850 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 25.

Adding to 125055020050 its reverse (50020550521), we get a palindrome (175075570571).

It can be divided in two parts, 1250 and 55020050, that multiplied together give a square (68775062500 = 262250²).

The spelling of 125055020050 in words is "one hundred twenty-five billion, fifty-five million, twenty thousand, fifty".