61980840053948 has 12 divisors (see below), whose sum is σ = 108491468158920. Its totient is φ = 30983277722832.

The previous prime is 61980840053893. The next prime is 61980840054017. The reversal of 61980840053948 is 84935004808916.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1785556511 + ... + 1785591222.

It is an arithmetic number, because the mean of its divisors is an integer number (9040955679910).

Almost surely, 2^{61980840053948} is an apocalyptic number.

It is an amenable number.

61980840053948 is a deficient number, since it is larger than the sum of its proper divisors (46510628104972).

61980840053948 is a wasteful number, since it uses less digits than its factorization.

61980840053948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571152076 (or 3571152074 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 65.

The spelling of 61980840053948 in words is "sixty-one trillion, nine hundred eighty billion, eight hundred forty million, fifty-three thousand, nine hundred forty-eight".