51045005212143 has 4 divisors (see below), whose sum is σ = 68060006949528. Its totient is φ = 34030003474760.

The previous prime is 51045005212111. The next prime is 51045005212199. The reversal of 51045005212143 is 34121250054015.

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 51045005212143 - 2⁵ = 51045005212111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51045005211143) 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, 8507500868688 + ... + 8507500868693.

It is an arithmetic number, because the mean of its divisors is an integer number (17015001737382).

Almost surely, 2^{51045005212143} is an apocalyptic number.

51045005212143 is a deficient number, since it is larger than the sum of its proper divisors (17015001737385).

51045005212143 is a wasteful number, since it uses less digits than its factorization.

51045005212143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17015001737384.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 51045005212143 its reverse (34121250054015), we get a palindrome (85166255266158).

The spelling of 51045005212143 in words is "fifty-one trillion, forty-five billion, five million, two hundred twelve thousand, one hundred forty-three".