61030405604142 has 40 divisors (see below), whose sum is σ = 147272802132456. Its totient is φ = 18778586339088.

The previous prime is 61030405604137. The next prime is 61030405604167. The reversal of 61030405604142 is 24140650403016.

61030405604142 is a `hidden beast` number, since 6 + 1 + 0 + 3 + 0 + 4 + 0 + 5 + 604 + 1 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 61030405604097 and 61030405604106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14489647848 + ... + 14489652059.

Almost surely, 2^{61030405604142} is an apocalyptic number.

61030405604142 is an abundant number, since it is smaller than the sum of its proper divisors (86242396528314).

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

61030405604142 is a wasteful number, since it uses less digits than its factorization.

61030405604142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28979299934 (or 28979299925 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 61030405604142 in words is "sixty-one trillion, thirty billion, four hundred five million, six hundred four thousand, one hundred forty-two".