2805143327061 has 16 divisors (see below), whose sum is σ = 3870174242880. Its totient is φ = 1806081298560.

The previous prime is 2805143327023. The next prime is 2805143327069. The reversal of 2805143327061 is 1607233415082.

It is not a de Polignac number, because 2805143327061 - 2⁹ = 2805143326549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2805143327069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122153110 + ... + 122176071.

It is an arithmetic number, because the mean of its divisors is an integer number (241885890180).

Almost surely, 2^{2805143327061} is an apocalyptic number.

It is an amenable number.

2805143327061 is a deficient number, since it is larger than the sum of its proper divisors (1065030915819).

2805143327061 is a wasteful number, since it uses less digits than its factorization.

2805143327061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244329316.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 2805143327061 in words is "two trillion, eight hundred five billion, one hundred forty-three million, three hundred twenty-seven thousand, sixty-one".