1125903511284 has 48 divisors (see below), whose sum is σ = 2688867793920. Its totient is φ = 366482682720.

The previous prime is 1125903511267. The next prime is 1125903511303. The reversal of 1125903511284 is 4821153095211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1837299 + ... + 2372229.

It is an arithmetic number, because the mean of its divisors is an integer number (56018079040).

Almost surely, 2^{1125903511284} is an apocalyptic number.

It is an amenable number.

1125903511284 is an abundant number, since it is smaller than the sum of its proper divisors (1562964282636).

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

1125903511284 is a wasteful number, since it uses less digits than its factorization.

1125903511284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539060 (or 539058 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 42.

The spelling of 1125903511284 in words is "one trillion, one hundred twenty-five billion, nine hundred three million, five hundred eleven thousand, two hundred eighty-four".