1125254625506 has 32 divisors (see below), whose sum is σ = 1860425145216. Its totient is φ = 506178720000.

The previous prime is 1125254625457. The next prime is 1125254625557. The reversal of 1125254625506 is 6055264525211.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4684571 + ... + 4918913.

It is an arithmetic number, because the mean of its divisors is an integer number (58138285788).

Almost surely, 2^{1125254625506} is an apocalyptic number.

1125254625506 is a deficient number, since it is larger than the sum of its proper divisors (735170519710).

1125254625506 is a wasteful number, since it uses less digits than its factorization.

1125254625506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236618.

The product of its (nonzero) digits is 720000, while the sum is 44.

The spelling of 1125254625506 in words is "one trillion, one hundred twenty-five billion, two hundred fifty-four million, six hundred twenty-five thousand, five hundred six".