61403304104112 has 80 divisors (see below), whose sum is σ = 160991547881472. Its totient is φ = 20162906910720.

The previous prime is 61403304104089. The next prime is 61403304104123. The reversal of 61403304104112 is 21140140330416.

It is a self number, because there is not a number n which added to its sum of digits gives 61403304104112.

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, 3254848 + ... + 11549919.

Almost surely, 2^{61403304104112} is an apocalyptic number.

It is an amenable number.

61403304104112 is an abundant number, since it is smaller than the sum of its proper divisors (99588243777360).

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

61403304104112 is a wasteful number, since it uses less digits than its factorization.

61403304104112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14806066 (or 14806060 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 61403304104112 its reverse (21140140330416), we get a palindrome (82543444434528).

The spelling of 61403304104112 in words is "sixty-one trillion, four hundred three billion, three hundred four million, one hundred four thousand, one hundred twelve".