61116555110 has 64 divisors (see below), whose sum is σ = 119652120000. Its totient is φ = 22341795840.

The previous prime is 61116555077. The next prime is 61116555127. The reversal of 61116555110 is 1155561116.

It is a super-2 number, since 2×61116555110² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18346145 + ... + 18349475.

It is an arithmetic number, because the mean of its divisors is an integer number (1869564375).

Almost surely, 2^61116555110 is an apocalyptic number.

61116555110 is a deficient number, since it is larger than the sum of its proper divisors (58535564890).

61116555110 is a wasteful number, since it uses less digits than its factorization.

61116555110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4713.

The product of its (nonzero) digits is 4500, while the sum is 32.

The spelling of 61116555110 in words is "sixty-one billion, one hundred sixteen million, five hundred fifty-five thousand, one hundred ten".