61142224116 has 48 divisors (see below), whose sum is σ = 144512614400. Its totient is φ = 20116972512.

The previous prime is 61142224111. The next prime is 61142224139.

61142224116 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61142224111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4390821 + ... + 4404723.

Almost surely, 2^61142224116 is an apocalyptic number.

It is an amenable number.

61142224116 is an abundant number, since it is smaller than the sum of its proper divisors (83370390284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61142224116 is a wasteful number, since it uses less digits than its factorization.

61142224116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18628 (or 18626 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The spelling of 61142224116 in words is "sixty-one billion, one hundred forty-two million, two hundred twenty-four thousand, one hundred sixteen".