2851171161300 has 1152 divisors, whose sum is σ = 11652454195200. Its totient is φ = 580898304000.

The previous prime is 2851171161269. The next prime is 2851171161313. The reversal of 2851171161300 is 31611711582.

It is a happy number.

2851171161300 is a `hidden beast` number, since 2 + 8 + 511 + 7 + 1 + 1 + 6 + 130 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 3439289286 + ... + 3439290114.

It is an arithmetic number, because the mean of its divisors is an integer number (10114977600).

Almost surely, 2^{2851171161300} is an apocalyptic number.

2851171161300 is a gapful number since it is divisible by the number (20) 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 2851171161300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5826227097600).

2851171161300 is an abundant number, since it is smaller than the sum of its proper divisors (8801283033900).

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

2851171161300 is a wasteful number, since it uses less digits than its factorization.

2851171161300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174 (or 1161 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

Adding to 2851171161300 its reverse (31611711582), we get a palindrome (2882782872882).

The spelling of 2851171161300 in words is "two trillion, eight hundred fifty-one billion, one hundred seventy-one million, one hundred sixty-one thousand, three hundred".