51145104511 has 8 divisors (see below), whose sum is σ = 53918244864. Its totient is φ = 48442170360.

The previous prime is 51145104509. The next prime is 51145104541. The reversal of 51145104511 is 11540154115.

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

It is a cyclic number.

It is not a de Polignac number, because 51145104511 - 2¹ = 51145104509 is a prime.

It is a super-2 number, since 2×51145104511² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51145104511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51145104541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17550055 + ... + 17552968.

It is an arithmetic number, because the mean of its divisors is an integer number (6739780608).

Almost surely, 2^51145104511 is an apocalyptic number.

51145104511 is a deficient number, since it is larger than the sum of its proper divisors (2773140353).

51145104511 is a wasteful number, since it uses less digits than its factorization.

51145104511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35103101.

The product of its (nonzero) digits is 2000, while the sum is 28.

Adding to 51145104511 its reverse (11540154115), we get a palindrome (62685258626).

The spelling of 51145104511 in words is "fifty-one billion, one hundred forty-five million, one hundred four thousand, five hundred eleven".