125784211256 has 48 divisors (see below), whose sum is σ = 263628955800. Its totient is φ = 56205554240.

The previous prime is 125784211207. The next prime is 125784211261. The reversal of 125784211256 is 652112487521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1044095 + ... + 1158318.

Almost surely, 2^125784211256 is an apocalyptic number.

It is an amenable number.

125784211256 is an abundant number, since it is smaller than the sum of its proper divisors (137844744544).

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

125784211256 is a wasteful number, since it uses less digits than its factorization.

125784211256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202500 (or 2202485 counting only the distinct ones).

The product of its digits is 268800, while the sum is 44.

Adding to 125784211256 its reverse (652112487521), we get a palindrome (777896698777).

The spelling of 125784211256 in words is "one hundred twenty-five billion, seven hundred eighty-four million, two hundred eleven thousand, two hundred fifty-six".