2311216505152 has 28 divisors (see below), whose sum is σ = 4698181727316. Its totient is φ = 1127422684160.

The previous prime is 2311216505137. The next prime is 2311216505203. The reversal of 2311216505152 is 2515056121132.

It can be written as a sum of positive squares in 2 ways, for example, as 122544804096 + 2188671701056 = 350064^2 + 1479416^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440396863 + ... + 440402110.

It is an arithmetic number, because the mean of its divisors is an integer number (167792204547).

Almost surely, 2^{2311216505152} is an apocalyptic number.

It is an amenable number.

2311216505152 is an abundant number, since it is smaller than the sum of its proper divisors (2386965222164).

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

2311216505152 is an equidigital number, since it uses as much as digits as its factorization.

2311216505152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880799026 (or 880799016 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 34.

The spelling of 2311216505152 in words is "two trillion, three hundred eleven billion, two hundred sixteen million, five hundred five thousand, one hundred fifty-two".