2805648723361 has 32 divisors (see below), whose sum is σ = 3117165359616. Its totient is φ = 2503980864000.

The previous prime is 2805648723313. The next prime is 2805648723373. The reversal of 2805648723361 is 1633278465082.

It is not a de Polignac number, because 2805648723361 - 2⁷ = 2805648723233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2805643723361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92761201 + ... + 92791441.

It is an arithmetic number, because the mean of its divisors is an integer number (97411417488).

Almost surely, 2^{2805648723361} is an apocalyptic number.

It is an amenable number.

2805648723361 is a deficient number, since it is larger than the sum of its proper divisors (311516636255).

2805648723361 is a wasteful number, since it uses less digits than its factorization.

2805648723361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30973.

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 2805648723361 in words is "two trillion, eight hundred five billion, six hundred forty-eight million, seven hundred twenty-three thousand, three hundred sixty-one".