125403553224 has 48 divisors (see below), whose sum is σ = 351346167900. Its totient is φ = 40359763584.

The previous prime is 125403553213. The next prime is 125403553267. The reversal of 125403553224 is 422355304521.

125403553224 is a `hidden beast` number, since 1 + 25 + 403 + 5 + 5 + 3 + 224 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 118210817124 + 7192736100 = 343818^2 + 84810^2 .

It is a super-2 number, since 2×125403553224² (a number of 23 digits) contains 22 as substring.

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

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, 30027499 + ... + 30031674.

Almost surely, 2^125403553224 is an apocalyptic number.

It is an amenable number.

125403553224 is an abundant number, since it is smaller than the sum of its proper divisors (225942614676).

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

125403553224 is a wasteful number, since it uses less digits than its factorization.

125403553224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60059214 (or 60059207 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 125403553224 its reverse (422355304521), we get a palindrome (547758857745).

The spelling of 125403553224 in words is "one hundred twenty-five billion, four hundred three million, five hundred fifty-three thousand, two hundred twenty-four".