1116431406552 has 128 divisors (see below), whose sum is σ = 3480889075200. Its totient is φ = 289890278400.

The previous prime is 1116431406529. The next prime is 1116431406581. The reversal of 1116431406552 is 2556041346111.

It is a self number, because there is not a number n which added to its sum of digits gives 1116431406552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5836102 + ... + 6024362.

It is an arithmetic number, because the mean of its divisors is an integer number (27194445900).

Almost surely, 2^{1116431406552} is an apocalyptic number.

1116431406552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1116431406552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1740444537600).

1116431406552 is an abundant number, since it is smaller than the sum of its proper divisors (2364457668648).

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

1116431406552 is a wasteful number, since it uses less digits than its factorization.

1116431406552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191497 (or 191493 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 1116431406552 in words is "one trillion, one hundred sixteen billion, four hundred thirty-one million, four hundred six thousand, five hundred fifty-two".