2775530527505 has 16 divisors (see below), whose sum is σ = 3337492564224. Its totient is φ = 2215854425280.

The previous prime is 2775530527493. The next prime is 2775530527519. The reversal of 2775530527505 is 5057250355772.

It is not a de Polignac number, because 2775530527505 - 2⁸ = 2775530527249 is a prime.

It is a super-2 number, since 2×2775530527505² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47245100 + ... + 47303810.

It is an arithmetic number, because the mean of its divisors is an integer number (208593285264).

Almost surely, 2^{2775530527505} is an apocalyptic number.

It is an amenable number.

2775530527505 is a deficient number, since it is larger than the sum of its proper divisors (561962036719).

2775530527505 is a wasteful number, since it uses less digits than its factorization.

2775530527505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78016.

The product of its (nonzero) digits is 12862500, while the sum is 53.

The spelling of 2775530527505 in words is "two trillion, seven hundred seventy-five billion, five hundred thirty million, five hundred twenty-seven thousand, five hundred five".