2775505528285 has 24 divisors (see below), whose sum is σ = 3876992181216. Its totient is φ = 1901920194720.

The previous prime is 2775505528283. The next prime is 2775505528333. The reversal of 2775505528285 is 5828255055772.

It is not a de Polignac number, because 2775505528285 - 2¹ = 2775505528283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2775505528283) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3456151 + ... + 4182820.

It is an arithmetic number, because the mean of its divisors is an integer number (161541340884).

Almost surely, 2^{2775505528285} is an apocalyptic number.

It is an amenable number.

2775505528285 is a deficient number, since it is larger than the sum of its proper divisors (1101486652931).

2775505528285 is a wasteful number, since it uses less digits than its factorization.

2775505528285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7640473 (or 7640466 counting only the distinct ones).

The product of its (nonzero) digits is 78400000, while the sum is 61.

The spelling of 2775505528285 in words is "two trillion, seven hundred seventy-five billion, five hundred five million, five hundred twenty-eight thousand, two hundred eighty-five".