1084239047825 has 48 divisors (see below), whose sum is σ = 1406796428016. Its totient is φ = 828160819200.

The previous prime is 1084239047819. The next prime is 1084239047833. The reversal of 1084239047825 is 5287409324801.

It is a Cunningham number, because it is equal to 1041268²+1.

It can be written as a sum of positive squares in 24 ways, for example, as 714342755344 + 369896292481 = 845188^2 + 608191^2 .

It is not a de Polignac number, because 1084239047825 - 2⁸ = 1084239047569 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21541889 + ... + 21592161.

It is an arithmetic number, because the mean of its divisors is an integer number (29308258917).

Almost surely, 2^{1084239047825} is an apocalyptic number.

It is an amenable number.

1084239047825 is a deficient number, since it is larger than the sum of its proper divisors (322557380191).

1084239047825 is a wasteful number, since it uses less digits than its factorization.

1084239047825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50774 (or 50769 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 1084239047825 in words is "one trillion, eighty-four billion, two hundred thirty-nine million, forty-seven thousand, eight hundred twenty-five".