51435012401 has 8 divisors (see below), whose sum is σ = 53941027200. Its totient is φ = 48951473472.

The previous prime is 51435012383. The next prime is 51435012437. The reversal of 51435012401 is 10421053415.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51435012401 - 2¹⁰ = 51435011377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51435012491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5614280 + ... + 5623433.

It is an arithmetic number, because the mean of its divisors is an integer number (6742628400).

Almost surely, 2^51435012401 is an apocalyptic number.

It is an amenable number.

51435012401 is a deficient number, since it is larger than the sum of its proper divisors (2506014799).

51435012401 is a wasteful number, since it uses less digits than its factorization.

51435012401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11237935.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 51435012401 its reverse (10421053415), we get a palindrome (61856065816).

The spelling of 51435012401 in words is "fifty-one billion, four hundred thirty-five million, twelve thousand, four hundred one".