51336361440001 has 4 divisors (see below), whose sum is σ = 56003303389104. Its totient is φ = 46669419490900.

The previous prime is 51336361439999. The next prime is 51336361440031. The reversal of 51336361440001 is 10004416363315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51336361440001 - 2¹ = 51336361439999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51336361440031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2333470974535 + ... + 2333470974556.

It is an arithmetic number, because the mean of its divisors is an integer number (14000825847276).

Almost surely, 2^{51336361440001} is an apocalyptic number.

It is an amenable number.

51336361440001 is a deficient number, since it is larger than the sum of its proper divisors (4666941949103).

51336361440001 is a wasteful number, since it uses less digits than its factorization.

51336361440001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4666941949102.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 51336361440001 in words is "fifty-one trillion, three hundred thirty-six billion, three hundred sixty-one million, four hundred forty thousand, one".