2777750005505 has 8 divisors (see below), whose sum is σ = 3333461307624. Its totient is φ = 2222092470400.

The previous prime is 2777750005493. The next prime is 2777750005523. The reversal of 2777750005505 is 5055000577772.

2777750005505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 131050516081 + 2646699489424 = 362009^2 + 1626868^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2777750005505 - 2¹⁶ = 2777749939969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13328006 + ... + 13534815.

It is an arithmetic number, because the mean of its divisors is an integer number (416682663453).

Almost surely, 2^{2777750005505} is an apocalyptic number.

It is an amenable number.

2777750005505 is a deficient number, since it is larger than the sum of its proper divisors (555711302119).

2777750005505 is a wasteful number, since it uses less digits than its factorization.

2777750005505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26883507.

The product of its (nonzero) digits is 3001250, while the sum is 50.

The spelling of 2777750005505 in words is "two trillion, seven hundred seventy-seven billion, seven hundred fifty million, five thousand, five hundred five".