61631602545112 has 32 divisors (see below), whose sum is σ = 119173067769600. Its totient is φ = 29866830532000.

The previous prime is 61631602545091. The next prime is 61631602545137. The reversal of 61631602545112 is 21154520613616.

61631602545112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919511764 + ... + 919578787.

It is an arithmetic number, because the mean of its divisors is an integer number (3724158367800).

Almost surely, 2^{61631602545112} is an apocalyptic number.

It is an amenable number.

61631602545112 is a deficient number, since it is larger than the sum of its proper divisors (57541465224488).

61631602545112 is a wasteful number, since it uses less digits than its factorization.

61631602545112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839090687 (or 1839090683 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 61631602545112 in words is "sixty-one trillion, six hundred thirty-one billion, six hundred two million, five hundred forty-five thousand, one hundred twelve".