500551001011 has 2 divisors, whose sum is σ = 500551001012. Its totient is φ = 500551001010.

The previous prime is 500551000981. The next prime is 500551001017. The reversal of 500551001011 is 110100155005.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 500551001011 - 2¹⁵ = 500550968243 is a prime.

It is a super-2 number, since 2×500551001011² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 500551001011.

It is not a weakly prime, because it can be changed into another prime (500551001017) 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 as a sum of consecutive naturals, namely, 250275500505 + 250275500506.

It is an arithmetic number, because the mean of its divisors is an integer number (250275500506).

Almost surely, 2^500551001011 is an apocalyptic number.

500551001011 is a deficient number, since it is larger than the sum of its proper divisors (1).

500551001011 is an equidigital number, since it uses as much as digits as its factorization.

500551001011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 125, while the sum is 19.

Adding to 500551001011 its reverse (110100155005), we get a palindrome (610651156016).

The spelling of 500551001011 in words is "five hundred billion, five hundred fifty-one million, one thousand, eleven".