2755027780505 has 48 divisors (see below), whose sum is σ = 4518135526464. Its totient is φ = 1585310670720.

The previous prime is 2755027780499. The next prime is 2755027780523. The reversal of 2755027780505 is 5050877205572.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2755027780505 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39283187 + ... + 39353256.

It is an arithmetic number, because the mean of its divisors is an integer number (94127823468).

Almost surely, 2^{2755027780505} is an apocalyptic number.

It is an amenable number.

2755027780505 is a deficient number, since it is larger than the sum of its proper divisors (1763107745959).

2755027780505 is a wasteful number, since it uses less digits than its factorization.

2755027780505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78636486 (or 78636479 counting only the distinct ones).

The product of its (nonzero) digits is 6860000, while the sum is 53.

The spelling of 2755027780505 in words is "two trillion, seven hundred fifty-five billion, twenty-seven million, seven hundred eighty thousand, five hundred five".