61050338121617 has 8 divisors (see below), whose sum is σ = 65932768741224. Its totient is φ = 56194514754048.

The previous prime is 61050338121599. The next prime is 61050338121631. The reversal of 61050338121617 is 71612183305016.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1271941862416 + 59778396259201 = 1127804^2 + 7731649^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 61050338121617 - 2⁸ = 61050338121361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61050338121637) 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, 6651808238 + ... + 6651817415.

It is an arithmetic number, because the mean of its divisors is an integer number (8241596092653).

Almost surely, 2^{61050338121617} is an apocalyptic number.

It is an amenable number.

61050338121617 is a deficient number, since it is larger than the sum of its proper divisors (4882430619607).

61050338121617 is a wasteful number, since it uses less digits than its factorization.

61050338121617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13303626019.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 61050338121617 in words is "sixty-one trillion, fifty billion, three hundred thirty-eight million, one hundred twenty-one thousand, six hundred seventeen".