51123352351 has 8 divisors (see below), whose sum is σ = 52902146880. Its totient is φ = 49345619232.

The previous prime is 51123352349. The next prime is 51123352363. The reversal of 51123352351 is 15325332115.

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 51123352351 - 2¹ = 51123352349 is a prime.

It is a super-2 number, since 2×51123352351² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51123359351) 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, 166720 + ... + 360613.

It is an arithmetic number, because the mean of its divisors is an integer number (6612768360).

Almost surely, 2^51123352351 is an apocalyptic number.

51123352351 is a deficient number, since it is larger than the sum of its proper divisors (1778794529).

51123352351 is a wasteful number, since it uses less digits than its factorization.

51123352351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530705.

The product of its digits is 13500, while the sum is 31.

Adding to 51123352351 its reverse (15325332115), we get a palindrome (66448684466).

The spelling of 51123352351 in words is "fifty-one billion, one hundred twenty-three million, three hundred fifty-two thousand, three hundred fifty-one".