61057289732 has 24 divisors (see below), whose sum is σ = 108572788800. Its totient is φ = 30040323680.

The previous prime is 61057289729. The next prime is 61057289789. The reversal of 61057289732 is 23798275016.

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, 414944 + ... + 542487.

It is an arithmetic number, because the mean of its divisors is an integer number (4523866200).

Almost surely, 2^61057289732 is an apocalyptic number.

It is an amenable number.

61057289732 is a deficient number, since it is larger than the sum of its proper divisors (47515499068).

61057289732 is a wasteful number, since it uses less digits than its factorization.

61057289732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957691 (or 957689 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 61057289732 in words is "sixty-one billion, fifty-seven million, two hundred eighty-nine thousand, seven hundred thirty-two".