51343140112201 has 4 divisors (see below), whose sum is σ = 58677874413952. Its totient is φ = 44008405810452.

The previous prime is 51343140112153. The next prime is 51343140112207. The reversal of 51343140112201 is 10221104134315.

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 51343140112201 - 2⁷ = 51343140112073 is a prime.

It is a super-2 number, since 2×51343140112201² (a number of 28 digits) contains 22 as substring.

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 51343140112201.

It is not an unprimeable number, because it can be changed into a prime (51343140112207) 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, 3667367150865 + ... + 3667367150878.

It is an arithmetic number, because the mean of its divisors is an integer number (14669468603488).

Almost surely, 2^{51343140112201} is an apocalyptic number.

It is an amenable number.

51343140112201 is a deficient number, since it is larger than the sum of its proper divisors (7334734301751).

51343140112201 is an equidigital number, since it uses as much as digits as its factorization.

51343140112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7334734301750.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 51343140112201 its reverse (10221104134315), we get a palindrome (61564244246516).

The spelling of 51343140112201 in words is "fifty-one trillion, three hundred forty-three billion, one hundred forty million, one hundred twelve thousand, two hundred one".