51351235314133 has 4 divisors (see below), whose sum is σ = 51351327565120. Its totient is φ = 51351143063148.

The previous prime is 51351235314097. The next prime is 51351235314221. The reversal of 51351235314133 is 33141353215315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51351235314133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51351235314733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45285423 + ... + 46405516.

It is an arithmetic number, because the mean of its divisors is an integer number (12837831891280).

Almost surely, 2^{51351235314133} is an apocalyptic number.

It is an amenable number.

51351235314133 is a deficient number, since it is larger than the sum of its proper divisors (92250987).

51351235314133 is an equidigital number, since it uses as much as digits as its factorization.

51351235314133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92250986.

The product of its digits is 243000, while the sum is 40.

Adding to 51351235314133 its reverse (33141353215315), we get a palindrome (84492588529448).

The spelling of 51351235314133 in words is "fifty-one trillion, three hundred fifty-one billion, two hundred thirty-five million, three hundred fourteen thousand, one hundred thirty-three".