61011056 has 20 divisors (see below), whose sum is σ = 120440952. Its totient is φ = 29929536.

The previous prime is 61011053. The next prime is 61011061. The reversal of 61011056 is 65011016.

It is a happy number.

61011056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61011053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35126 + ... + 36821.

Almost surely, 2^61011056 is an apocalyptic number.

It is an amenable number.

61011056 is a deficient number, since it is larger than the sum of its proper divisors (59429896).

61011056 is a wasteful number, since it uses less digits than its factorization.

61011056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72008 (or 72002 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 61011056 is about 7810.9574317109. The cubic root of 61011056 is about 393.6734993396.

The spelling of 61011056 in words is "sixty-one million, eleven thousand, fifty-six".