2783085052561 has 4 divisors (see below), whose sum is σ = 3036092784624. Its totient is φ = 2530077320500.

The previous prime is 2783085052529. The next prime is 2783085052609. The reversal of 2783085052561 is 1652505803872.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2783085052561 - 2⁵ = 2783085052529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2783085052499 and 2783085052508.

It is not an unprimeable number, because it can be changed into a prime (2783085052661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126503866015 + ... + 126503866036.

It is an arithmetic number, because the mean of its divisors is an integer number (759023196156).

Almost surely, 2^{2783085052561} is an apocalyptic number.

It is an amenable number.

2783085052561 is a deficient number, since it is larger than the sum of its proper divisors (253007732063).

2783085052561 is a wasteful number, since it uses less digits than its factorization.

2783085052561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253007732062.

The product of its (nonzero) digits is 4032000, while the sum is 52.

The spelling of 2783085052561 in words is "two trillion, seven hundred eighty-three billion, eighty-five million, fifty-two thousand, five hundred sixty-one".