125108641850 has 24 divisors (see below), whose sum is σ = 232712767260. Its totient is φ = 50041157120.

The previous prime is 125108641843. The next prime is 125108642017. The reversal of 125108641850 is 58146801521.

It is a Cunningham number, because it is equal to 353707²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 1 + 125108641849 = 1^2 + 353707^2 .

It is a junction number, because it is equal to n+sod(n) for n = 125108641798 and 125108641807.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1414736 + ... + 1500564.

Almost surely, 2^125108641850 is an apocalyptic number.

125108641850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125108641850 is a deficient number, since it is larger than the sum of its proper divisors (107604125410).

125108641850 is a wasteful number, since it uses less digits than its factorization.

125108641850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114994 (or 114989 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 41.

The spelling of 125108641850 in words is "one hundred twenty-five billion, one hundred eight million, six hundred forty-one thousand, eight hundred fifty".