511055010011 has 16 divisors (see below), whose sum is σ = 629092008384. Its totient is φ = 404286142464.

The previous prime is 511055010007. The next prime is 511055010079. The reversal of 511055010011 is 110010550115.

It is a cyclic number.

It is not a de Polignac number, because 511055010011 - 2² = 511055010007 is a prime.

It is a super-2 number, since 2×511055010011² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (511055010911) 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, 120611 + ... + 1018163.

It is an arithmetic number, because the mean of its divisors is an integer number (39318250524).

Almost surely, 2^511055010011 is an apocalyptic number.

511055010011 is a deficient number, since it is larger than the sum of its proper divisors (118036998373).

511055010011 is a wasteful number, since it uses less digits than its factorization.

511055010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903830.

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

Adding to 511055010011 its reverse (110010550115), we get a palindrome (621065560126).

The spelling of 511055010011 in words is "five hundred eleven billion, fifty-five million, ten thousand, eleven".