61121412116 has 6 divisors (see below), whose sum is σ = 106962471210. Its totient is φ = 30560706056.

The previous prime is 61121412091. The next prime is 61121412193.

61121412116 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 58562064016 + 2559348100 = 241996^2 + 50590^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7640176511 + ... + 7640176518.

It is an arithmetic number, because the mean of its divisors is an integer number (17827078535).

Almost surely, 2^61121412116 is an apocalyptic number.

It is an amenable number.

61121412116 is a deficient number, since it is larger than the sum of its proper divisors (45841059094).

61121412116 is a wasteful number, since it uses less digits than its factorization.

61121412116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15280353033 (or 15280353031 counting only the distinct ones).

The product of its digits is 576, while the sum is 26.

The spelling of 61121412116 in words is "sixty-one billion, one hundred twenty-one million, four hundred twelve thousand, one hundred sixteen".