1017802366872 has 32 divisors (see below), whose sum is σ = 2551714170480. Its totient is φ = 338306355200.

The previous prime is 1017802366859. The next prime is 1017802366943. The reversal of 1017802366872 is 2786632087101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60060129 + ... + 60077072.

Almost surely, 2^{1017802366872} is an apocalyptic number.

1017802366872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1017802366872 is an abundant number, since it is smaller than the sum of its proper divisors (1533911803608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1017802366872 is a wasteful number, since it uses less digits than its factorization.

1017802366872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120137563 (or 120137559 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 51.

The spelling of 1017802366872 in words is "one trillion, seventeen billion, eight hundred two million, three hundred sixty-six thousand, eight hundred seventy-two".