2774605265161 has 8 divisors (see below), whose sum is σ = 2816705906784. Its totient is φ = 2732524877280.

The previous prime is 2774605265141. The next prime is 2774605265221. The reversal of 2774605265161 is 1615625064772.

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

It is a cyclic number.

It is not a de Polignac number, because 2774605265161 - 2¹⁵ = 2774605232393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2774605265099 and 2774605265108.

It is not an unprimeable number, because it can be changed into a prime (2774605265101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4787260 + ... + 5335453.

It is an arithmetic number, because the mean of its divisors is an integer number (352088238348).

Almost surely, 2^{2774605265161} is an apocalyptic number.

It is an amenable number.

2774605265161 is a deficient number, since it is larger than the sum of its proper divisors (42100641623).

2774605265161 is a wasteful number, since it uses less digits than its factorization.

2774605265161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10126871.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 2774605265161 in words is "two trillion, seven hundred seventy-four billion, six hundred five million, two hundred sixty-five thousand, one hundred sixty-one".