61111732028 has 48 divisors (see below), whose sum is σ = 108629727360. Its totient is φ = 30079076544.

The previous prime is 61111731979. The next prime is 61111732049. The reversal of 61111732028 is 82023711116.

61111732028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 61111731985 and 61111732003.

It is a congruent 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, 64531451 + ... + 64532397.

It is an arithmetic number, because the mean of its divisors is an integer number (2263119320).

Almost surely, 2^61111732028 is an apocalyptic number.

It is an amenable number.

61111732028 is a deficient number, since it is larger than the sum of its proper divisors (47517995332).

61111732028 is a wasteful number, since it uses less digits than its factorization.

61111732028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866 (or 1864 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 61111732028 in words is "sixty-one billion, one hundred eleven million, seven hundred thirty-two thousand, twenty-eight".