51040430143 has 16 divisors (see below), whose sum is σ = 52416337600. Its totient is φ = 49683041280.

The previous prime is 51040430081. The next prime is 51040430149. The reversal of 51040430143 is 34103404015.

It is a cyclic number.

It is not a de Polignac number, because 51040430143 - 2²¹ = 51038332991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51040430149) 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, 6106255 + ... + 6114607.

It is an arithmetic number, because the mean of its divisors is an integer number (3276021100).

Almost surely, 2^51040430143 is an apocalyptic number.

51040430143 is a deficient number, since it is larger than the sum of its proper divisors (1375907457).

51040430143 is a wasteful number, since it uses less digits than its factorization.

51040430143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9442.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 51040430143 its reverse (34103404015), we get a palindrome (85143834158).

The spelling of 51040430143 in words is "fifty-one billion, forty million, four hundred thirty thousand, one hundred forty-three".