51251050542713 has 8 divisors (see below), whose sum is σ = 60001229904000. Its totient is φ = 42858021359520.

The previous prime is 51251050542683. The next prime is 51251050542743. The reversal of 51251050542713 is 31724505015215.

It is an interprime number because it is at equal distance from previous prime (51251050542683) and next prime (51251050542743).

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 51251050542713 - 2⁸ = 51251050542457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (51251050542743) 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, 89287544213 + ... + 89287544786.

It is an arithmetic number, because the mean of its divisors is an integer number (7500153738000).

Almost surely, 2^{51251050542713} is an apocalyptic number.

It is an amenable number.

51251050542713 is a deficient number, since it is larger than the sum of its proper divisors (8750179361287).

51251050542713 is a wasteful number, since it uses less digits than its factorization.

51251050542713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178575089047.

The product of its (nonzero) digits is 210000, while the sum is 41.

Adding to 51251050542713 its reverse (31724505015215), we get a palindrome (82975555557928).

The spelling of 51251050542713 in words is "fifty-one trillion, two hundred fifty-one billion, fifty million, five hundred forty-two thousand, seven hundred thirteen".