51505014043 has 16 divisors (see below), whose sum is σ = 61750287360. Its totient is φ = 42024477600.

The previous prime is 51505014023. The next prime is 51505014049. The reversal of 51505014043 is 34041050515.

It is not a de Polignac number, because 51505014043 - 2⁹ = 51505013531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51505014049) 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, 1772343 + ... + 1801168.

It is an arithmetic number, because the mean of its divisors is an integer number (3859392960).

Almost surely, 2^51505014043 is an apocalyptic number.

51505014043 is a deficient number, since it is larger than the sum of its proper divisors (10245273317).

51505014043 is a wasteful number, since it uses less digits than its factorization.

51505014043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3573618.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 51505014043 its reverse (34041050515), we get a palindrome (85546064558).

The spelling of 51505014043 in words is "fifty-one billion, five hundred five million, fourteen thousand, forty-three".