51445113151 has 4 divisors (see below), whose sum is σ = 53219082600. Its totient is φ = 49671143704.

The previous prime is 51445113113. The next prime is 51445113199. The reversal of 51445113151 is 15131154415.

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

It is a cyclic number.

It is not a de Polignac number, because 51445113151 - 2²⁹ = 50908242239 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 (51445110151) 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, 886984681 + ... + 886984738.

It is an arithmetic number, because the mean of its divisors is an integer number (13304770650).

Almost surely, 2^51445113151 is an apocalyptic number.

51445113151 is a deficient number, since it is larger than the sum of its proper divisors (1773969449).

51445113151 is a wasteful number, since it uses less digits than its factorization.

51445113151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773969448.

The product of its digits is 6000, while the sum is 31.

Adding to 51445113151 its reverse (15131154415), we get a palindrome (66576267566).

The spelling of 51445113151 in words is "fifty-one billion, four hundred forty-five million, one hundred thirteen thousand, one hundred fifty-one".