125475451200 has 1512 divisors, whose sum is σ = 533238870528. Its totient is φ = 27878400000.

The previous prime is 125475451183. The next prime is 125475451201. The reversal of 125475451200 is 2154574521.

125475451200 is a `hidden beast` number, since 1 + 25 + 475 + 45 + 120 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125475451201) by changing a digit.

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 215 ways as a sum of consecutive naturals, for example, 1242331150 + ... + 1242331250.

Almost surely, 2^125475451200 is an apocalyptic number.

125475451200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125475451200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266619435264).

125475451200 is an abundant number, since it is smaller than the sum of its proper divisors (407763419328).

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

125475451200 is a wasteful number, since it uses less digits than its factorization.

125475451200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

It can be divided in two parts, 125475 and 451200, that added together give a palindrome (576675).

The spelling of 125475451200 in words is "one hundred twenty-five billion, four hundred seventy-five million, four hundred fifty-one thousand, two hundred".