1125254324500 has 48 divisors (see below), whose sum is σ = 2457767042640. Its totient is φ = 450062976000.

The previous prime is 1125254324489. The next prime is 1125254324539. The reversal of 1125254324500 is 54234525211.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1008976052484 + 116278272016 = 1004478^2 + 340996^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6113820 + ... + 6295180.

It is an arithmetic number, because the mean of its divisors is an integer number (51203480055).

Almost surely, 2^{1125254324500} is an apocalyptic number.

1125254324500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1125254324500 is an abundant number, since it is smaller than the sum of its proper divisors (1332512718140).

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

1125254324500 is a wasteful number, since it uses less digits than its factorization.

1125254324500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193789 (or 193777 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 1125254324500 its reverse (54234525211), we get a palindrome (1179488849711).

The spelling of 1125254324500 in words is "one trillion, one hundred twenty-five billion, two hundred fifty-four million, three hundred twenty-four thousand, five hundred".