125275527645 has 64 divisors (see below), whose sum is σ = 214867054080. Its totient is φ = 62105223168.

The previous prime is 125275527613. The next prime is 125275527683. The reversal of 125275527645 is 546725572521.

It is a happy number.

It is not a de Polignac number, because 125275527645 - 2⁵ = 125275527613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12436671 + ... + 12446739.

It is an arithmetic number, because the mean of its divisors is an integer number (3357297720).

Almost surely, 2^125275527645 is an apocalyptic number.

125275527645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125275527645 is a deficient number, since it is larger than the sum of its proper divisors (89591526435).

125275527645 is a wasteful number, since it uses less digits than its factorization.

125275527645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10694.

The product of its digits is 5880000, while the sum is 51.

The spelling of 125275527645 in words is "one hundred twenty-five billion, two hundred seventy-five million, five hundred twenty-seven thousand, six hundred forty-five".