125084521806 has 16 divisors (see below), whose sum is σ = 250404842448. Its totient is φ = 41655540800.

The previous prime is 125084521733. The next prime is 125084521843. The reversal of 125084521806 is 608125480521.

It is a super-2 number, since 2×125084521806² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 9818055 + ... + 9830786.

It is an arithmetic number, because the mean of its divisors is an integer number (15650302653).

Almost surely, 2^125084521806 is an apocalyptic number.

125084521806 is an abundant number, since it is smaller than the sum of its proper divisors (125320320642).

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

125084521806 is a wasteful number, since it uses less digits than its factorization.

125084521806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19649907.

The product of its (nonzero) digits is 153600, while the sum is 42.

The spelling of 125084521806 in words is "one hundred twenty-five billion, eighty-four million, five hundred twenty-one thousand, eight hundred six".