125100847855866 has 16 divisors (see below), whose sum is σ = 250206180845184. Its totient is φ = 41699535096384.

The previous prime is 125100847855849. The next prime is 125100847855889. The reversal of 125100847855866 is 668558748001521.

It is a super-4 number, since 4×125100847855866⁴ (a number of 57 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125100847855797 and 125100847855806.

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, 186517906 + ... + 187187421.

It is an arithmetic number, because the mean of its divisors is an integer number (15637886302824).

Almost surely, 2^{125100847855866} is an apocalyptic number.

125100847855866 is an abundant number, since it is smaller than the sum of its proper divisors (125105332989318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125100847855866 is a wasteful number, since it uses less digits than its factorization.

125100847855866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373761125.

The product of its (nonzero) digits is 129024000, while the sum is 66.

The spelling of 125100847855866 in words is "one hundred twenty-five trillion, one hundred billion, eight hundred forty-seven million, eight hundred fifty-five thousand, eight hundred sixty-six".