50001601111663 has 4 divisors (see below), whose sum is σ = 50001808748248. Its totient is φ = 50001393475080.

The previous prime is 50001601111661. The next prime is 50001601111691. The reversal of 50001601111663 is 36611110610005.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50001601111663 - 2¹ = 50001601111661 is a prime.

It is a super-2 number, since 2×50001601111663² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50001601111661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103456653 + ... + 103938838.

It is an arithmetic number, because the mean of its divisors is an integer number (12500452187062).

Almost surely, 2^{50001601111663} is an apocalyptic number.

50001601111663 is a deficient number, since it is larger than the sum of its proper divisors (207636585).

50001601111663 is a wasteful number, since it uses less digits than its factorization.

50001601111663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207636584.

The product of its (nonzero) digits is 3240, while the sum is 31.

Adding to 50001601111663 its reverse (36611110610005), we get a palindrome (86612711721668).

The spelling of 50001601111663 in words is "fifty trillion, one billion, six hundred one million, one hundred eleven thousand, six hundred sixty-three".