51143254135 has 8 divisors (see below), whose sum is σ = 64040248800. Its totient is φ = 39135707424.

The previous prime is 51143254091. The next prime is 51143254139. The reversal of 51143254135 is 53145234115.

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 51143254135 - 2¹¹ = 51143252087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51143254135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51143254139) 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, 222361860 + ... + 222362089.

It is an arithmetic number, because the mean of its divisors is an integer number (8005031100).

Almost surely, 2^51143254135 is an apocalyptic number.

51143254135 is a deficient number, since it is larger than the sum of its proper divisors (12896994665).

51143254135 is a wasteful number, since it uses less digits than its factorization.

51143254135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444723977.

The product of its digits is 36000, while the sum is 34.

The spelling of 51143254135 in words is "fifty-one billion, one hundred forty-three million, two hundred fifty-four thousand, one hundred thirty-five".