61634454545112 has 32 divisors (see below), whose sum is σ = 154423305178800. Its totient is φ = 20499862339584.

The previous prime is 61634454545071. The next prime is 61634454545117. The reversal of 61634454545112 is 21154545443616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61634454545117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2809728937 + ... + 2809750872.

Almost surely, 2^{61634454545112} is an apocalyptic number.

It is an amenable number.

61634454545112 is an abundant number, since it is smaller than the sum of its proper divisors (92788850633688).

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

61634454545112 is a wasteful number, since it uses less digits than its factorization.

61634454545112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5619480275 (or 5619480271 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 51.

Adding to 61634454545112 its reverse (21154545443616), we get a palindrome (82788999988728).

The spelling of 61634454545112 in words is "sixty-one trillion, six hundred thirty-four billion, four hundred fifty-four million, five hundred forty-five thousand, one hundred twelve".