61473355152 has 80 divisors (see below), whose sum is σ = 173790073152. Its totient is φ = 18569474560.

The previous prime is 61473355127. The next prime is 61473355183. The reversal of 61473355152 is 25155337416.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16263 + ... + 351014.

Almost surely, 2^61473355152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61473355152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86895036576).

61473355152 is an abundant number, since it is smaller than the sum of its proper divisors (112316718000).

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

61473355152 is a wasteful number, since it uses less digits than its factorization.

61473355152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367616 (or 367610 counting only the distinct ones).

The product of its digits is 378000, while the sum is 42.

The spelling of 61473355152 in words is "sixty-one billion, four hundred seventy-three million, three hundred fifty-five thousand, one hundred fifty-two".