51040130043 has 12 divisors (see below), whose sum is σ = 79164283560. Its totient is φ = 29165788512.

The previous prime is 51040130039. The next prime is 51040130069. The reversal of 51040130043 is 34003104015.

It is not a de Polignac number, because 51040130043 - 2² = 51040130039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (51040130243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173605738 + ... + 173606031.

It is an arithmetic number, because the mean of its divisors is an integer number (6597023630).

Almost surely, 2^51040130043 is an apocalyptic number.

51040130043 is a deficient number, since it is larger than the sum of its proper divisors (28124153517).

51040130043 is a wasteful number, since it uses less digits than its factorization.

51040130043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347211786 (or 347211779 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 51040130043 its reverse (34003104015), we get a palindrome (85043234058).

The spelling of 51040130043 in words is "fifty-one billion, forty million, one hundred thirty thousand, forty-three".