6161120005720 has 64 divisors (see below), whose sum is σ = 14021196033600. Its totient is φ = 2436250460160.

The previous prime is 6161120005717. The next prime is 6161120005721. The reversal of 6161120005720 is 275000211616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6161120005721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17163112 + ... + 17518408.

It is an arithmetic number, because the mean of its divisors is an integer number (219081188025).

Almost surely, 2^{6161120005720} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6161120005720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7010598016800).

6161120005720 is an abundant number, since it is smaller than the sum of its proper divisors (7860076027880).

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

6161120005720 is a wasteful number, since it uses less digits than its factorization.

6161120005720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360268 (or 360264 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The spelling of 6161120005720 in words is "six trillion, one hundred sixty-one billion, one hundred twenty million, five thousand, seven hundred twenty".