50011105500101 has 4 divisors (see below), whose sum is σ = 50573028033900. Its totient is φ = 49449182966304.

The previous prime is 50011105500091. The next prime is 50011105500127. The reversal of 50011105500101 is 10100550111005.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20370147688900 + 29640957811201 = 4513330^2 + 5444351^2 .

It is a cyclic number.

It is not a de Polignac number, because 50011105500101 - 2³⁰ = 50010031758277 is a prime.

It is a super-2 number, since 2×50011105500101² (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 (50011105800101) 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, 280961266766 + ... + 280961266943.

It is an arithmetic number, because the mean of its divisors is an integer number (12643257008475).

Almost surely, 2^{50011105500101} is an apocalyptic number.

It is an amenable number.

50011105500101 is a deficient number, since it is larger than the sum of its proper divisors (561922533799).

50011105500101 is an equidigital number, since it uses as much as digits as its factorization.

50011105500101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561922533798.

The product of its (nonzero) digits is 125, while the sum is 20.

Adding to 50011105500101 its reverse (10100550111005), we get a palindrome (60111655611106).

The spelling of 50011105500101 in words is "fifty trillion, eleven billion, one hundred five million, five hundred thousand, one hundred one".