125708163208 has 64 divisors (see below), whose sum is σ = 248499187200. Its totient is φ = 59556456960.

The previous prime is 125708163193. The next prime is 125708163211. The reversal of 125708163208 is 802361807521.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1583913 + ... + 1661383.

It is an arithmetic number, because the mean of its divisors is an integer number (3882799800).

Almost surely, 2^125708163208 is an apocalyptic number.

It is an amenable number.

125708163208 is a deficient number, since it is larger than the sum of its proper divisors (122791023992).

125708163208 is a wasteful number, since it uses less digits than its factorization.

125708163208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77662 (or 77658 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 125708163208 in words is "one hundred twenty-five billion, seven hundred eight million, one hundred sixty-three thousand, two hundred eight".