61336671725 has 12 divisors (see below), whose sum is σ = 86922826464. Its totient is φ = 42059431920.

The previous prime is 61336671709. The next prime is 61336671727. The reversal of 61336671725 is 52717663316.

It is not a de Polignac number, because 61336671725 - 2⁴ = 61336671709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 61336671725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61336671727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175247459 + ... + 175247808.

It is an arithmetic number, because the mean of its divisors is an integer number (7243568872).

Almost surely, 2^61336671725 is an apocalyptic number.

It is an amenable number.

61336671725 is a deficient number, since it is larger than the sum of its proper divisors (25586154739).

61336671725 is a wasteful number, since it uses less digits than its factorization.

61336671725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350495284 (or 350495279 counting only the distinct ones).

The product of its digits is 952560, while the sum is 47.

The spelling of 61336671725 in words is "sixty-one billion, three hundred thirty-six million, six hundred seventy-one thousand, seven hundred twenty-five".