61750445061013 has 8 divisors (see below), whose sum is σ = 61892584405920. Its totient is φ = 61608467332560.

The previous prime is 61750445060977. The next prime is 61750445061037. The reversal of 61750445061013 is 31016054405716.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61750445061013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61750445061083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39639058 + ... + 41167411.

It is an arithmetic number, because the mean of its divisors is an integer number (7736573050740).

Almost surely, 2^{61750445061013} is an apocalyptic number.

It is an amenable number.

61750445061013 is a deficient number, since it is larger than the sum of its proper divisors (142139344907).

61750445061013 is an equidigital number, since it uses as much as digits as its factorization.

61750445061013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80808227.

The product of its (nonzero) digits is 302400, while the sum is 43.

Adding to 61750445061013 its reverse (31016054405716), we get a palindrome (92766499466729).

The spelling of 61750445061013 in words is "sixty-one trillion, seven hundred fifty billion, four hundred forty-five million, sixty-one thousand, thirteen".