125167281255 has 48 divisors (see below), whose sum is σ = 228413952000. Its totient is φ = 63231738048.

The previous prime is 125167281203. The next prime is 125167281289. The reversal of 125167281255 is 552182761521.

It is a happy number.

125167281255 is a `hidden beast` number, since 1 + 2 + 516 + 7 + 2 + 8 + 125 + 5 = 666.

It is not a de Polignac number, because 125167281255 - 2⁶ = 125167281191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 125167281255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8404906 + ... + 8419784.

It is an arithmetic number, because the mean of its divisors is an integer number (4758624000).

Almost surely, 2^125167281255 is an apocalyptic number.

125167281255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125167281255 is a deficient number, since it is larger than the sum of its proper divisors (103246670745).

125167281255 is a wasteful number, since it uses less digits than its factorization.

125167281255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24748 (or 24745 counting only the distinct ones).

The product of its digits is 336000, while the sum is 45.

The spelling of 125167281255 in words is "one hundred twenty-five billion, one hundred sixty-seven million, two hundred eighty-one thousand, two hundred fifty-five".