51041421102523 has 4 divisors (see below), whose sum is σ = 51043107393360. Its totient is φ = 51039734811688.

The previous prime is 51041421102509. The next prime is 51041421102583. The reversal of 51041421102523 is 32520112414015.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51041421102523 - 2⁴¹ = 48842397846971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51041421102583) 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, 843100015 + ... + 843160552.

It is an arithmetic number, because the mean of its divisors is an integer number (12760776848340).

Almost surely, 2^{51041421102523} is an apocalyptic number.

51041421102523 is a deficient number, since it is larger than the sum of its proper divisors (1686290837).

51041421102523 is a wasteful number, since it uses less digits than its factorization.

51041421102523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686290836.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 51041421102523 its reverse (32520112414015), we get a palindrome (83561533516538).

The spelling of 51041421102523 in words is "fifty-one trillion, forty-one billion, four hundred twenty-one million, one hundred two thousand, five hundred twenty-three".