61316136044 has 24 divisors (see below), whose sum is σ = 113958483408. Its totient is φ = 28767467520.

The previous prime is 61316136043. The next prime is 61316136047. The reversal of 61316136044 is 44063161316.

It is a junction number, because it is equal to n+sod(n) for n = 61316135995 and 61316136013.

It is not an unprimeable number, because it can be changed into a prime (61316136043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1339589 + ... + 1384604.

It is an arithmetic number, because the mean of its divisors is an integer number (4748270142).

Almost surely, 2^61316136044 is an apocalyptic number.

It is an amenable number.

61316136044 is a deficient number, since it is larger than the sum of its proper divisors (52642347364).

61316136044 is a wasteful number, since it uses less digits than its factorization.

61316136044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724545 (or 2724543 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 61316136044 in words is "sixty-one billion, three hundred sixteen million, one hundred thirty-six thousand, forty-four".