2771072724505 has 16 divisors (see below), whose sum is σ = 3346867100304. Its totient is φ = 2202513269760.

The previous prime is 2771072724481. The next prime is 2771072724613. The reversal of 2771072724505 is 5054272701772.

It can be written as a sum of positive squares in 8 ways, for example, as 165001689616 + 2606071034889 = 406204^2 + 1614333^2 .

It is not a de Polignac number, because 2771072724505 - 2¹⁷ = 2771072593433 is a prime.

It is a Duffinian 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, 2070006 + ... + 3134815.

It is an arithmetic number, because the mean of its divisors is an integer number (209179193769).

Almost surely, 2^{2771072724505} is an apocalyptic number.

It is an amenable number.

2771072724505 is a deficient number, since it is larger than the sum of its proper divisors (575794375799).

2771072724505 is a wasteful number, since it uses less digits than its factorization.

2771072724505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5205516.

The product of its (nonzero) digits is 1920800, while the sum is 49.

The spelling of 2771072724505 in words is "two trillion, seven hundred seventy-one billion, seventy-two million, seven hundred twenty-four thousand, five hundred five".