1125877464788 has 12 divisors (see below), whose sum is σ = 2086184714292. Its totient is φ = 529824689280.

The previous prime is 1125877464769. The next prime is 1125877464797. The reversal of 1125877464788 is 8874647785211.

It can be written as a sum of positive squares in 2 ways, for example, as 1044263259664 + 81614205124 = 1021892^2 + 285682^2 .

It is a Harshad number since it is a multiple of its sum of digits (68), and also a Moran number because the ratio is a prime number: 16557021541 = 1125877464788 / (1 + 1 + 2 + 5 + 8 + 7 + 7 + 4 + 6 + 4 + 7 + 8 + 8).

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 3 ways as a sum of consecutive naturals, for example, 8278510703 + ... + 8278510838.

It is an arithmetic number, because the mean of its divisors is an integer number (173848726191).

Almost surely, 2^{1125877464788} is an apocalyptic number.

It is an amenable number.

1125877464788 is a deficient number, since it is larger than the sum of its proper divisors (960307249504).

1125877464788 is a wasteful number, since it uses less digits than its factorization.

1125877464788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16557021562 (or 16557021560 counting only the distinct ones).

The product of its digits is 168591360, while the sum is 68.

The spelling of 1125877464788 in words is "one trillion, one hundred twenty-five billion, eight hundred seventy-seven million, four hundred sixty-four thousand, seven hundred eighty-eight".