1140784407545 has 16 divisors (see below), whose sum is σ = 1387751339520. Its totient is φ = 900088527744.

The previous prime is 1140784407517. The next prime is 1140784407547. The reversal of 1140784407545 is 5457044870411.

It is a cyclic number.

It is not a de Polignac number, because 1140784407545 - 2²⁰ = 1140783358969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1140784407493 and 1140784407502.

It is not an unprimeable number, because it can be changed into a prime (1140784407547) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11689442 + ... + 11786628.

It is an arithmetic number, because the mean of its divisors is an integer number (86734458720).

Almost surely, 2^{1140784407545} is an apocalyptic number.

It is an amenable number.

1140784407545 is a deficient number, since it is larger than the sum of its proper divisors (246966931975).

1140784407545 is an equidigital number, since it uses as much as digits as its factorization.

1140784407545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129424.

The product of its (nonzero) digits is 2508800, while the sum is 50.

The spelling of 1140784407545 in words is "one trillion, one hundred forty billion, seven hundred eighty-four million, four hundred seven thousand, five hundred forty-five".