61326161205112 has 16 divisors (see below), whose sum is σ = 115825870161360. Its totient is φ = 30439262495424.

The previous prime is 61326161205091. The next prime is 61326161205151. The reversal of 61326161205112 is 21150216162316.

It is a super-2 number, since 2×61326161205112² (a number of 28 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, 27977262228 + ... + 27977264419.

It is an arithmetic number, because the mean of its divisors is an integer number (7239116885085).

Almost surely, 2^{61326161205112} is an apocalyptic number.

It is an amenable number.

61326161205112 is a deficient number, since it is larger than the sum of its proper divisors (54499708956248).

61326161205112 is a wasteful number, since it uses less digits than its factorization.

61326161205112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55954526790 (or 55954526786 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

Adding to 61326161205112 its reverse (21150216162316), we get a palindrome (82476377367428).

The spelling of 61326161205112 in words is "sixty-one trillion, three hundred twenty-six billion, one hundred sixty-one million, two hundred five thousand, one hundred twelve".