1125254324466 has 96 divisors (see below), whose sum is σ = 2629699188480. Its totient is φ = 346579603200.

The previous prime is 1125254324407. The next prime is 1125254324477. The reversal of 1125254324466 is 6644234525211.

It is a happy number.

1125254324466 is a `hidden beast` number, since 1 + 1 + 2 + 5 + 2 + 543 + 2 + 44 + 66 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62571196 + ... + 62589176.

It is an arithmetic number, because the mean of its divisors is an integer number (27392699880).

Almost surely, 2^{1125254324466} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1125254324466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1314849594240).

1125254324466 is an abundant number, since it is smaller than the sum of its proper divisors (1504444864014).

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

1125254324466 is a wasteful number, since it uses less digits than its factorization.

1125254324466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22512 (or 22509 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 45.

Adding to 1125254324466 its reverse (6644234525211), we get a palindrome (7769488849677).

The spelling of 1125254324466 in words is "one trillion, one hundred twenty-five billion, two hundred fifty-four million, three hundred twenty-four thousand, four hundred sixty-six".