1083320542287 has 24 divisors (see below), whose sum is σ = 1569800763648. Its totient is φ = 719906496000.

The previous prime is 1083320542253. The next prime is 1083320542321. The reversal of 1083320542287 is 7822450233801.

1083320542287 is a `hidden beast` number, since 1 + 0 + 8 + 3 + 3 + 20 + 542 + 2 + 87 = 666.

It is an interprime number because it is at equal distance from previous prime (1083320542253) and next prime (1083320542321).

It is not a de Polignac number, because 1083320542287 - 2⁶ = 1083320542223 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1083320542207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5066962 + ... + 5276432.

It is an arithmetic number, because the mean of its divisors is an integer number (65408365152).

Almost surely, 2^{1083320542287} is an apocalyptic number.

1083320542287 is a deficient number, since it is larger than the sum of its proper divisors (486480221361).

1083320542287 is a wasteful number, since it uses less digits than its factorization.

1083320542287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211311 (or 211308 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 1083320542287 in words is "one trillion, eighty-three billion, three hundred twenty million, five hundred forty-two thousand, two hundred eighty-seven".