61171055110 has 24 divisors (see below), whose sum is σ = 121027693248. Its totient is φ = 22244019600.

The previous prime is 61171055063. The next prime is 61171055119. The reversal of 61171055110 is 1155017116.

It is a super-2 number, since 2×61171055110² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61171055119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25276086 + ... + 25278505.

It is an arithmetic number, because the mean of its divisors is an integer number (5042820552).

Almost surely, 2^61171055110 is an apocalyptic number.

61171055110 is a deficient number, since it is larger than the sum of its proper divisors (59856638138).

61171055110 is a wasteful number, since it uses less digits than its factorization.

61171055110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50554620 (or 50554609 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 28.

The spelling of 61171055110 in words is "sixty-one billion, one hundred seventy-one million, fifty-five thousand, one hundred ten".