61111256 has 32 divisors (see below), whose sum is σ = 119275200. Its totient is φ = 29329440.

The previous prime is 61111249. The next prime is 61111273. The reversal of 61111256 is 65211116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18791 + ... + 21801.

It is an arithmetic number, because the mean of its divisors is an integer number (3727350).

Almost surely, 2^61111256 is an apocalyptic number.

It is an amenable number.

61111256 is a deficient number, since it is larger than the sum of its proper divisors (58163944).

61111256 is a wasteful number, since it uses less digits than its factorization.

61111256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3119 (or 3115 counting only the distinct ones).

The product of its digits is 360, while the sum is 23.

The square root of 61111256 is about 7817.3688668247. The cubic root of 61111256 is about 393.8888947803. Note that the first 4 decimals are identical.

The spelling of 61111256 in words is "sixty-one million, one hundred eleven thousand, two hundred fifty-six".