51502542415151 has 4 divisors (see below), whose sum is σ = 51502557472704. Its totient is φ = 51502527357600.

The previous prime is 51502542415127. The next prime is 51502542415169. The reversal of 51502542415151 is 15151424520515.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 51502542415151 - 2¹⁴ = 51502542398767 is a prime.

It is a super-3 number, since 3×51502542415151³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51502542415099 and 51502542415108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51502542415111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350471 + ... + 10155191.

It is an arithmetic number, because the mean of its divisors is an integer number (12875639368176).

Almost surely, 2^{51502542415151} is an apocalyptic number.

51502542415151 is a deficient number, since it is larger than the sum of its proper divisors (15057553).

51502542415151 is an equidigital number, since it uses as much as digits as its factorization.

51502542415151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15057552.

The product of its (nonzero) digits is 200000, while the sum is 41.

Adding to 51502542415151 its reverse (15151424520515), we get a palindrome (66653966935666).

The spelling of 51502542415151 in words is "fifty-one trillion, five hundred two billion, five hundred forty-two million, four hundred fifteen thousand, one hundred fifty-one".