51525512143 has 16 divisors (see below), whose sum is σ = 62356193280. Its totient is φ = 41562804096.

The previous prime is 51525512141. The next prime is 51525512153. The reversal of 51525512143 is 34121552515.

It is a cyclic number.

It is not a de Polignac number, because 51525512143 - 2¹ = 51525512141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51525512099 and 51525512108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51525512141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2426430 + ... + 2447572.

It is an arithmetic number, because the mean of its divisors is an integer number (3897262080).

Almost surely, 2^51525512143 is an apocalyptic number.

51525512143 is a deficient number, since it is larger than the sum of its proper divisors (10830681137).

51525512143 is a wasteful number, since it uses less digits than its factorization.

51525512143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41646.

The product of its digits is 30000, while the sum is 34.

The spelling of 51525512143 in words is "fifty-one billion, five hundred twenty-five million, five hundred twelve thousand, one hundred forty-three".