61171217116 has 24 divisors (see below), whose sum is σ = 108468642240. Its totient is φ = 30180633600.

The previous prime is 61171217101. The next prime is 61171217123.

61171217116 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×61171217116² (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 7 ways as a sum of consecutive naturals, for example, 487596 + ... + 600076.

It is an arithmetic number, because the mean of its divisors is an integer number (4519526760).

Almost surely, 2^61171217116 is an apocalyptic number.

It is an amenable number.

61171217116 is a deficient number, since it is larger than the sum of its proper divisors (47297425124).

61171217116 is a wasteful number, since it uses less digits than its factorization.

61171217116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114285 (or 114283 counting only the distinct ones).

The product of its digits is 3528, while the sum is 34.

The spelling of 61171217116 in words is "sixty-one billion, one hundred seventy-one million, two hundred seventeen thousand, one hundred sixteen".