61350065361 has 16 divisors (see below), whose sum is σ = 97880446720. Its totient is φ = 37753886160.

The previous prime is 61350065311. The next prime is 61350065369. The reversal of 61350065361 is 16356005316.

61350065361 is a `hidden beast` number, since 61 + 3 + 500 + 65 + 36 + 1 = 666.

It is not a de Polignac number, because 61350065361 - 2¹⁸ = 61349803217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61350065369) 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, 87392905 + ... + 87393606.

It is an arithmetic number, because the mean of its divisors is an integer number (6117527920).

Almost surely, 2^61350065361 is an apocalyptic number.

It is an amenable number.

61350065361 is a deficient number, since it is larger than the sum of its proper divisors (36530381359).

61350065361 is a wasteful number, since it uses less digits than its factorization.

61350065361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174786533 (or 174786527 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The spelling of 61350065361 in words is "sixty-one billion, three hundred fifty million, sixty-five thousand, three hundred sixty-one".