61275423736 has 32 divisors (see below), whose sum is σ = 116859283200. Its totient is φ = 30113131360.

The previous prime is 61275423709. The next prime is 61275423739. The reversal of 61275423736 is 63732457216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61275423739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5040081 + ... + 5052223.

It is an arithmetic number, because the mean of its divisors is an integer number (3651852600).

Almost surely, 2^61275423736 is an apocalyptic number.

It is an amenable number.

61275423736 is a deficient number, since it is larger than the sum of its proper divisors (55583859464).

61275423736 is a wasteful number, since it uses less digits than its factorization.

61275423736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22899 (or 22895 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 46.

The spelling of 61275423736 in words is "sixty-one billion, two hundred seventy-five million, four hundred twenty-three thousand, seven hundred thirty-six".