61280372945522 has 8 divisors (see below), whose sum is σ = 92779630067376. Its totient is φ = 30353829589732.

The previous prime is 61280372945521. The next prime is 61280372945537. The reversal of 61280372945522 is 22554927308216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (61280372945521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143178441248 + ... + 143178441675.

It is an arithmetic number, because the mean of its divisors is an integer number (11597453758422).

It is a 1-persistent number, because it is pandigital, but 2⋅61280372945522 = 122560745891044 is not.

Almost surely, 2^{61280372945522} is an apocalyptic number.

61280372945522 is a deficient number, since it is larger than the sum of its proper divisors (31499257121854).

61280372945522 is a wasteful number, since it uses less digits than its factorization.

61280372945522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286356883032.

The product of its (nonzero) digits is 14515200, while the sum is 56.

The spelling of 61280372945522 in words is "sixty-one trillion, two hundred eighty billion, three hundred seventy-two million, nine hundred forty-five thousand, five hundred twenty-two".