1020782499117 has 8 divisors (see below), whose sum is σ = 1374519009120. Its totient is φ = 673783827600.

The previous prime is 1020782498999. The next prime is 1020782499127. The reversal of 1020782499117 is 7119942870201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1020782499117 - 2⁸ = 1020782498861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1020782499117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020782499127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1684459267 + ... + 1684459872.

It is an arithmetic number, because the mean of its divisors is an integer number (171814876140).

Almost surely, 2^{1020782499117} is an apocalyptic number.

It is an amenable number.

1020782499117 is a deficient number, since it is larger than the sum of its proper divisors (353736510003).

1020782499117 is a wasteful number, since it uses less digits than its factorization.

1020782499117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3368919243.

The product of its (nonzero) digits is 508032, while the sum is 51.

The spelling of 1020782499117 in words is "one trillion, twenty billion, seven hundred eighty-two million, four hundred ninety-nine thousand, one hundred seventeen".