2775530277755 has 4 divisors (see below), whose sum is σ = 3330636333312. Its totient is φ = 2220424222200.

The previous prime is 2775530277739. The next prime is 2775530277781. The reversal of 2775530277755 is 5577720355772.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2775530277755 - 2⁴ = 2775530277739 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277553027771 + ... + 277553027780.

It is an arithmetic number, because the mean of its divisors is an integer number (832659083328).

Almost surely, 2^{2775530277755} is an apocalyptic number.

2775530277755 is a deficient number, since it is larger than the sum of its proper divisors (555106055557).

2775530277755 is an equidigital number, since it uses as much as digits as its factorization.

2775530277755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555106055556.

The product of its (nonzero) digits is 126052500, while the sum is 62.

The spelling of 2775530277755 in words is "two trillion, seven hundred seventy-five billion, five hundred thirty million, two hundred seventy-seven thousand, seven hundred fifty-five".