61484855456 has 24 divisors (see below), whose sum is σ = 127419274080. Its totient is φ = 29124404928.

The previous prime is 61484855401. The next prime is 61484855473. The reversal of 61484855456 is 65455848416.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50562596 + ... + 50563811.

It is an arithmetic number, because the mean of its divisors is an integer number (5309136420).

Almost surely, 2^61484855456 is an apocalyptic number.

It is an amenable number.

61484855456 is an abundant number, since it is smaller than the sum of its proper divisors (65934418624).

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

61484855456 is a wasteful number, since it uses less digits than its factorization.

61484855456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101126436 (or 101126428 counting only the distinct ones).

The product of its digits is 18432000, while the sum is 56.

The spelling of 61484855456 in words is "sixty-one billion, four hundred eighty-four million, eight hundred fifty-five thousand, four hundred fifty-six".