51301460020243 has 64 divisors (see below), whose sum is σ = 54808296192000. Its totient is φ = 47945601285120.

The previous prime is 51301460020219. The next prime is 51301460020247. The reversal of 51301460020243 is 34202006410315.

It is a cyclic number.

It is not a de Polignac number, because 51301460020243 - 2¹⁷ = 51301459889171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51301460020247) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21582438871 + ... + 21582441247.

It is an arithmetic number, because the mean of its divisors is an integer number (856379628000).

Almost surely, 2^{51301460020243} is an apocalyptic number.

51301460020243 is a deficient number, since it is larger than the sum of its proper divisors (3506836171757).

51301460020243 is a wasteful number, since it uses less digits than its factorization.

51301460020243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3412.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 51301460020243 its reverse (34202006410315), we get a palindrome (85503466430558).

The spelling of 51301460020243 in words is "fifty-one trillion, three hundred one billion, four hundred sixty million, twenty thousand, two hundred forty-three".