61111416725 has 6 divisors (see below), whose sum is σ = 75778156770. Its totient is φ = 48889133360.

The previous prime is 61111416703. The next prime is 61111416733. The reversal of 61111416725 is 52761411116.

It can be written as a sum of positive squares in 3 ways, for example, as 152794321 + 60958622404 = 12361^2 + 246898^2 .

It is not a de Polignac number, because 61111416725 - 2¹⁸ = 61111154581 is a prime.

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 in 5 ways as a sum of consecutive naturals, for example, 1222228310 + ... + 1222228359.

It is an arithmetic number, because the mean of its divisors is an integer number (12629692795).

Almost surely, 2^61111416725 is an apocalyptic number.

It is an amenable number.

61111416725 is a deficient number, since it is larger than the sum of its proper divisors (14666740045).

61111416725 is a wasteful number, since it uses less digits than its factorization.

61111416725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444456679 (or 2444456674 counting only the distinct ones).

The product of its digits is 10080, while the sum is 35.

The spelling of 61111416725 in words is "sixty-one billion, one hundred eleven million, four hundred sixteen thousand, seven hundred twenty-five".