125338781608 has 32 divisors (see below), whose sum is σ = 243175284000. Its totient is φ = 60493128640.

The previous prime is 125338781599. The next prime is 125338781651. The reversal of 125338781608 is 806187833521.

It is a happy number.

125338781608 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 883083 + ... + 1015141.

It is an arithmetic number, because the mean of its divisors is an integer number (7599227625).

Almost surely, 2^125338781608 is an apocalyptic number.

It is an amenable number.

125338781608 is a deficient number, since it is larger than the sum of its proper divisors (117836502392).

125338781608 is a wasteful number, since it uses less digits than its factorization.

125338781608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136185 (or 136181 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 125338781608 in words is "one hundred twenty-five billion, three hundred thirty-eight million, seven hundred eighty-one thousand, six hundred eight".