501111055041 has 16 divisors (see below), whose sum is σ = 672534355584. Its totient is φ = 331885661184.

The previous prime is 501111055001. The next prime is 501111055043. The reversal of 501111055041 is 140550111105.

It is a de Polignac number, because none of the positive numbers 2^k-501111055041 is a prime.

It is a super-2 number, since 2×501111055041² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (501111055043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174306 + ... + 1016171.

It is an arithmetic number, because the mean of its divisors is an integer number (42033397224).

Almost surely, 2^501111055041 is an apocalyptic number.

It is an amenable number.

501111055041 is a deficient number, since it is larger than the sum of its proper divisors (171423300543).

501111055041 is a wasteful number, since it uses less digits than its factorization.

501111055041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191400.

The product of its (nonzero) digits is 500, while the sum is 24.

Adding to 501111055041 its reverse (140550111105), we get a palindrome (641661166146).

The spelling of 501111055041 in words is "five hundred one billion, one hundred eleven million, fifty-five thousand, forty-one".