61255113 has 8 divisors (see below), whose sum is σ = 82214976. Its totient is φ = 40566000.

The previous prime is 61255111. The next prime is 61255123. The reversal of 61255113 is 31155216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61255113 - 2¹ = 61255111 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (61255111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67158 + ... + 68063.

It is an arithmetic number, because the mean of its divisors is an integer number (10276872).

Almost surely, 2^61255113 is an apocalyptic number.

It is an amenable number.

61255113 is a deficient number, since it is larger than the sum of its proper divisors (20959863).

61255113 is a wasteful number, since it uses less digits than its factorization.

61255113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135375.

The product of its digits is 900, while the sum is 24.

The square root of 61255113 is about 7826.5645720201. The cubic root of 61255113 is about 394.1977264318.

The spelling of 61255113 in words is "sixty-one million, two hundred fifty-five thousand, one hundred thirteen".