61355283608 has 16 divisors (see below), whose sum is σ = 115415888280. Its totient is φ = 30577713408.

The previous prime is 61355283589. The next prime is 61355283631. The reversal of 61355283608 is 80638255316.

It is a super-2 number, since 2×61355283608² (a number of 22 digits) contains 22 as substring.

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, 12488441 + ... + 12493352.

Almost surely, 2^61355283608 is an apocalyptic number.

It is an amenable number.

61355283608 is a deficient number, since it is larger than the sum of its proper divisors (54060604672).

61355283608 is a wasteful number, since it uses less digits than its factorization.

61355283608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24982106 (or 24982102 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 61355283608 in words is "sixty-one billion, three hundred fifty-five million, two hundred eighty-three thousand, six hundred eight".