61115111096 has 32 divisors (see below), whose sum is σ = 127660881600. Its totient is φ = 27234318720.

The previous prime is 61115111093. The next prime is 61115111117. The reversal of 61115111096 is 69011151116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61115111093) 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, 10128800 + ... + 10134831.

It is an arithmetic number, because the mean of its divisors is an integer number (3989402550).

Almost surely, 2^61115111096 is an apocalyptic number.

It is an amenable number.

61115111096 is an abundant number, since it is smaller than the sum of its proper divisors (66545770504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61115111096 is a wasteful number, since it uses less digits than its factorization.

61115111096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20263679 (or 20263675 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 32.

The spelling of 61115111096 in words is "sixty-one billion, one hundred fifteen million, one hundred eleven thousand, ninety-six".