2755025780505 has 16 divisors (see below), whose sum is σ = 4468425377280. Its totient is φ = 1449219040128.

The previous prime is 2755025780491. The next prime is 2755025780509. The reversal of 2755025780505 is 5050875205572.

It is not a de Polignac number, because 2755025780505 - 2⁹ = 2755025779993 is a prime.

It is a super-3 number, since 3×2755025780505³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2755025780509) 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, 1258001545 + ... + 1258003734.

It is an arithmetic number, because the mean of its divisors is an integer number (279276586080).

Almost surely, 2^{2755025780505} is an apocalyptic number.

It is an amenable number.

2755025780505 is a deficient number, since it is larger than the sum of its proper divisors (1713399596775).

2755025780505 is a wasteful number, since it uses less digits than its factorization.

2755025780505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516005360.

The product of its (nonzero) digits is 4900000, while the sum is 51.

The spelling of 2755025780505 in words is "two trillion, seven hundred fifty-five billion, twenty-five million, seven hundred eighty thousand, five hundred five".