61110106612 has 12 divisors (see below), whose sum is σ = 107358807780. Its totient is φ = 30436161536.

The previous prime is 61110106597. The next prime is 61110106633. The reversal of 61110106612 is 21660101116.

It can be written as a sum of positive squares in 2 ways, for example, as 37812358116 + 23297748496 = 194454^2 + 152636^2 .

It is a super-2 number, since 2×61110106612² (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 3 ways as a sum of consecutive naturals, for example, 29721787 + ... + 29723842.

It is an arithmetic number, because the mean of its divisors is an integer number (8946567315).

Almost surely, 2^61110106612 is an apocalyptic number.

It is an amenable number.

61110106612 is a deficient number, since it is larger than the sum of its proper divisors (46248701168).

61110106612 is a wasteful number, since it uses less digits than its factorization.

61110106612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59445890 (or 59445888 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

Adding to 61110106612 its reverse (21660101116), we get a palindrome (82770207728).

The spelling of 61110106612 in words is "sixty-one billion, one hundred ten million, one hundred six thousand, six hundred twelve".