1125518305144 has 32 divisors (see below), whose sum is σ = 2112285081600. Its totient is φ = 562242469600.

The previous prime is 1125518305123. The next prime is 1125518305187. The reversal of 1125518305144 is 4415038155211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1125518305097 and 1125518305106.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 72368169 + ... + 72383719.

It is an arithmetic number, because the mean of its divisors is an integer number (66008908800).

Almost surely, 2^{1125518305144} is an apocalyptic number.

It is an amenable number.

1125518305144 is a deficient number, since it is larger than the sum of its proper divisors (986766776456).

1125518305144 is a wasteful number, since it uses less digits than its factorization.

1125518305144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23283 (or 23279 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 40.

The spelling of 1125518305144 in words is "one trillion, one hundred twenty-five billion, five hundred eighteen million, three hundred five thousand, one hundred forty-four".