611528538852772 has 12 divisors (see below), whose sum is σ = 1080564990983296. Its totient is φ = 302795684286120.

The previous prime is 611528538852733. The next prime is 611528538852779. The reversal of 611528538852772 is 277258835825116.

It is not an unprimeable number, because it can be changed into a prime (611528538852779) 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, 742146284604 + ... + 742146285427.

Almost surely, 2^{611528538852772} is an apocalyptic number.

It is an amenable number.

611528538852772 is a deficient number, since it is larger than the sum of its proper divisors (469036452130524).

611528538852772 is a wasteful number, since it uses less digits than its factorization.

611528538852772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484292570138 (or 1484292570136 counting only the distinct ones).

The product of its digits is 451584000, while the sum is 70.

The spelling of 611528538852772 in words is "six hundred eleven trillion, five hundred twenty-eight billion, five hundred thirty-eight million, eight hundred fifty-two thousand, seven hundred seventy-two".