61113256 has 16 divisors (see below), whose sum is σ = 115070400. Its totient is φ = 30427824.

The previous prime is 61113223. The next prime is 61113259. The reversal of 61113256 is 65231116.

It is a self number, because there is not a number n which added to its sum of digits gives 61113256.

It is not an unprimeable number, because it can be changed into a prime (61113259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14070 + ... + 17893.

It is an arithmetic number, because the mean of its divisors is an integer number (7191900).

Almost surely, 2^61113256 is an apocalyptic number.

It is an amenable number.

61113256 is a deficient number, since it is larger than the sum of its proper divisors (53957144).

61113256 is a wasteful number, since it uses less digits than its factorization.

61113256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32208 (or 32204 counting only the distinct ones).

The product of its digits is 1080, while the sum is 25.

The square root of 61113256 is about 7817.4967860563. The cubic root of 61113256 is about 393.8931916930.

The spelling of 61113256 in words is "sixty-one million, one hundred thirteen thousand, two hundred fifty-six".