2871457155860 has 12 divisors (see below), whose sum is σ = 6030060027348. Its totient is φ = 1148582862336.

The previous prime is 2871457155857. The next prime is 2871457155881. The reversal of 2871457155860 is 685517541782.

It can be written as a sum of positive squares in 2 ways, for example, as 2165853795856 + 705603360004 = 1471684^2 + 840002^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2871457155860.

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, 71786428877 + ... + 71786428916.

It is an arithmetic number, because the mean of its divisors is an integer number (502505002279).

Almost surely, 2^{2871457155860} is an apocalyptic number.

2871457155860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2871457155860 is an abundant number, since it is smaller than the sum of its proper divisors (3158602871488).

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

2871457155860 is a wasteful number, since it uses less digits than its factorization.

2871457155860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143572857802 (or 143572857800 counting only the distinct ones).

The product of its (nonzero) digits is 18816000, while the sum is 59.

The spelling of 2871457155860 in words is "two trillion, eight hundred seventy-one billion, four hundred fifty-seven million, one hundred fifty-five thousand, eight hundred sixty".