51514400010421 has 16 divisors (see below), whose sum is σ = 53602232428800. Its totient is φ = 49448138947200.

The previous prime is 51514400010373. The next prime is 51514400010427. The reversal of 51514400010421 is 12401000441515.

It is a cyclic number.

It is not a de Polignac number, because 51514400010421 - 2⁹ = 51514400009909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51514400010421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51514400010427) 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, 3622545 + ... + 10777366.

It is an arithmetic number, because the mean of its divisors is an integer number (3350139526800).

Almost surely, 2^{51514400010421} is an apocalyptic number.

It is an amenable number.

51514400010421 is a deficient number, since it is larger than the sum of its proper divisors (2087832418379).

51514400010421 is a wasteful number, since it uses less digits than its factorization.

51514400010421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14400660.

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 51514400010421 its reverse (12401000441515), we get a palindrome (63915400451936).

The spelling of 51514400010421 in words is "fifty-one trillion, five hundred fourteen billion, four hundred million, ten thousand, four hundred twenty-one".