61115183672 has 16 divisors (see below), whose sum is σ = 114595580400. Its totient is φ = 30556362240.

The previous prime is 61115183671. The next prime is 61115183699. The reversal of 61115183672 is 27638151116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61115183671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78104 + ... + 358232.

It is an arithmetic number, because the mean of its divisors is an integer number (7162223775).

Almost surely, 2^61115183672 is an apocalyptic number.

It is an amenable number.

61115183672 is a deficient number, since it is larger than the sum of its proper divisors (53480396728).

61115183672 is a wasteful number, since it uses less digits than its factorization.

61115183672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307406 (or 307402 counting only the distinct ones).

The product of its digits is 60480, while the sum is 41.

The spelling of 61115183672 in words is "sixty-one billion, one hundred fifteen million, one hundred eighty-three thousand, six hundred seventy-two".