50111051000061 has 8 divisors (see below), whose sum is σ = 68970048688384. Its totient is φ = 32329710322560.

The previous prime is 50111051000039. The next prime is 50111051000099. The reversal of 50111051000061 is 16000015011105.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-50111051000061 is a prime.

It is a super-2 number, since 2×50111051000061² (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 (50111051000011) 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, 269414252596 + ... + 269414252781.

It is an arithmetic number, because the mean of its divisors is an integer number (8621256086048).

Almost surely, 2^{50111051000061} is an apocalyptic number.

It is an amenable number.

50111051000061 is a deficient number, since it is larger than the sum of its proper divisors (18858997688323).

50111051000061 is a wasteful number, since it uses less digits than its factorization.

50111051000061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538828505411.

The product of its (nonzero) digits is 150, while the sum is 21.

Adding to 50111051000061 its reverse (16000015011105), we get a palindrome (66111066011166).

The spelling of 50111051000061 in words is "fifty trillion, one hundred eleven billion, fifty-one million, sixty-one", and thus it is an aban number.