511061011051 has 8 divisors (see below), whose sum is σ = 523778955264. Its totient is φ = 498419913000.

The previous prime is 511061011033. The next prime is 511061011073. The reversal of 511061011051 is 150110160115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 511061011051 - 2⁹ = 511061010539 is a prime.

It is a super-2 number, since 2×511061011051² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (511061018051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19198075 + ... + 19224676.

It is an arithmetic number, because the mean of its divisors is an integer number (65472369408).

Almost surely, 2^511061011051 is an apocalyptic number.

511061011051 is a deficient number, since it is larger than the sum of its proper divisors (12717944213).

511061011051 is a wasteful number, since it uses less digits than its factorization.

511061011051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38423081.

The product of its (nonzero) digits is 150, while the sum is 22.

Adding to 511061011051 its reverse (150110160115), we get a palindrome (661171171166).

The spelling of 511061011051 in words is "five hundred eleven billion, sixty-one million, eleven thousand, fifty-one".