50561011005 has 16 divisors (see below), whose sum is σ = 83507218944. Its totient is φ = 26096005440.

The previous prime is 50561010959. The next prime is 50561011009. The reversal of 50561011005 is 50011016505.

It is not a de Polignac number, because 50561011005 - 2¹³ = 50561002813 is a prime.

It is a super-2 number, since 2×50561011005² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50561011009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54366214 + ... + 54367143.

It is an arithmetic number, because the mean of its divisors is an integer number (5219201184).

Almost surely, 2^50561011005 is an apocalyptic number.

It is an amenable number.

50561011005 is a deficient number, since it is larger than the sum of its proper divisors (32946207939).

50561011005 is a wasteful number, since it uses less digits than its factorization.

50561011005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108733396.

The product of its (nonzero) digits is 750, while the sum is 24.

It can be divided in two parts, 505610 and 11005, that added together give a palindrome (516615).

The spelling of 50561011005 in words is "fifty billion, five hundred sixty-one million, eleven thousand, five".