1124678531745 has 56 divisors (see below), whose sum is σ = 2027521855296. Its totient is φ = 598635072288.

The previous prime is 1124678531737. The next prime is 1124678531819. The reversal of 1124678531745 is 5471358764211.

1124678531745 is a `hidden beast` number, since 1 + 1 + 2 + 4 + 67 + 8 + 531 + 7 + 45 = 666.

It is not a de Polignac number, because 1124678531745 - 2³ = 1124678531737 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1124678531691 and 1124678531700.

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 55 ways as a sum of consecutive naturals, for example, 1526722 + ... + 2140148.

It is an arithmetic number, because the mean of its divisors is an integer number (36205747416).

Almost surely, 2^{1124678531745} is an apocalyptic number.

1124678531745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1124678531745 is a deficient number, since it is larger than the sum of its proper divisors (902843323551).

1124678531745 is an frugal number, since it uses more digits than its factorization.

1124678531745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613953 (or 613938 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 54.

The spelling of 1124678531745 in words is "one trillion, one hundred twenty-four billion, six hundred seventy-eight million, five hundred thirty-one thousand, seven hundred forty-five".