61326512112 has 40 divisors (see below), whose sum is σ = 158641294720. Its totient is φ = 20414496960.

The previous prime is 61326512087. The next prime is 61326512123. The reversal of 61326512112 is 21121562316.

It is a self number, because there is not a number n which added to its sum of digits gives 61326512112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 828964 + ... + 899907.

It is an arithmetic number, because the mean of its divisors is an integer number (3966032368).

Almost surely, 2^61326512112 is an apocalyptic number.

It is an amenable number.

61326512112 is an abundant number, since it is smaller than the sum of its proper divisors (97314782608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61326512112 is a wasteful number, since it uses less digits than its factorization.

61326512112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1729621 (or 1729615 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The spelling of 61326512112 in words is "sixty-one billion, three hundred twenty-six million, five hundred twelve thousand, one hundred twelve".