61353208838000 has 40 divisors (see below), whose sum is σ = 148352058975120. Its totient is φ = 24541283534400.

The previous prime is 61353208837939. The next prime is 61353208838107. The reversal of 61353208838000 is 83880235316.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 15338300210 + ... + 15338304209.

It is an arithmetic number, because the mean of its divisors is an integer number (3708801474378).

Almost surely, 2^{61353208838000} is an apocalyptic number.

It is an amenable number.

61353208838000 is an abundant number, since it is smaller than the sum of its proper divisors (86998850137120).

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

61353208838000 is a wasteful number, since it uses less digits than its factorization.

61353208838000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30676604442 (or 30676604426 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 61353208838000 in words is "sixty-one trillion, three hundred fifty-three billion, two hundred eight million, eight hundred thirty-eight thousand".