61421468320032 has 48 divisors (see below), whose sum is σ = 166791056221440. Its totient is φ = 19767828883712.

The previous prime is 61421468320019. The next prime is 61421468320109. The reversal of 61421468320032 is 23002386412416.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11031151728 + ... + 11031157295.

It is an arithmetic number, because the mean of its divisors is an integer number (3474813671280).

Almost surely, 2^{61421468320032} is an apocalyptic number.

It is an amenable number.

61421468320032 is an abundant number, since it is smaller than the sum of its proper divisors (105369587901408).

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

61421468320032 is a wasteful number, since it uses less digits than its factorization.

61421468320032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22062309065 (or 22062309057 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 61421468320032 in words is "sixty-one trillion, four hundred twenty-one billion, four hundred sixty-eight million, three hundred twenty thousand, thirty-two".