3085305772511 has 4 divisors (see below), whose sum is σ = 3090456534000. Its totient is φ = 3080155011024.

The previous prime is 3085305772489. The next prime is 3085305772513. The reversal of 3085305772511 is 1152775035803.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3085305772511 is a prime.

It is a super-2 number, since 2×3085305772511² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3085305772513) 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, 2575379846 + ... + 2575381043.

It is an arithmetic number, because the mean of its divisors is an integer number (772614133500).

Almost surely, 2^{3085305772511} is an apocalyptic number.

3085305772511 is a deficient number, since it is larger than the sum of its proper divisors (5150761489).

3085305772511 is an equidigital number, since it uses as much as digits as its factorization.

3085305772511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5150761488.

The product of its (nonzero) digits is 882000, while the sum is 47.

The spelling of 3085305772511 in words is "three trillion, eighty-five billion, three hundred five million, seven hundred seventy-two thousand, five hundred eleven".