51401043215023 has 2 divisors, whose sum is σ = 51401043215024. Its totient is φ = 51401043215022.

The previous prime is 51401043215003. The next prime is 51401043215111. The reversal of 51401043215023 is 32051234010415.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51401043215023 - 2²¹ = 51401041117871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51401043215003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25700521607511 + 25700521607512.

It is an arithmetic number, because the mean of its divisors is an integer number (25700521607512).

Almost surely, 2^{51401043215023} is an apocalyptic number.

51401043215023 is a deficient number, since it is larger than the sum of its proper divisors (1).

51401043215023 is an equidigital number, since it uses as much as digits as its factorization.

51401043215023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 51401043215023 its reverse (32051234010415), we get a palindrome (83452277225438).

The spelling of 51401043215023 in words is "fifty-one trillion, four hundred one billion, forty-three million, two hundred fifteen thousand, twenty-three".