51046331151 has 4 divisors (see below), whose sum is σ = 68061774872. Its totient is φ = 34030887432.

The previous prime is 51046331131. The next prime is 51046331159. The reversal of 51046331151 is 15113364015.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 51046331151 - 2¹³ = 51046322959 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 (51046331159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8507721856 + ... + 8507721861.

It is an arithmetic number, because the mean of its divisors is an integer number (17015443718).

Almost surely, 2^51046331151 is an apocalyptic number.

51046331151 is a deficient number, since it is larger than the sum of its proper divisors (17015443721).

51046331151 is a wasteful number, since it uses less digits than its factorization.

51046331151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17015443720.

The product of its (nonzero) digits is 5400, while the sum is 30.

Adding to 51046331151 its reverse (15113364015), we get a palindrome (66159695166).

The spelling of 51046331151 in words is "fifty-one billion, forty-six million, three hundred thirty-one thousand, one hundred fifty-one".