51761112023 has 4 divisors (see below), whose sum is σ = 51761629800. Its totient is φ = 51760594248.

The previous prime is 51761111993. The next prime is 51761112061. The reversal of 51761112023 is 32021116715.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 51761112023 - 2¹⁸ = 51760849879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51761118023) 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, 55865 + ... + 326562.

It is an arithmetic number, because the mean of its divisors is an integer number (12940407450).

Almost surely, 2^51761112023 is an apocalyptic number.

51761112023 is a deficient number, since it is larger than the sum of its proper divisors (517777).

51761112023 is a wasteful number, since it uses less digits than its factorization.

51761112023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517776.

The product of its (nonzero) digits is 2520, while the sum is 29.

Adding to 51761112023 its reverse (32021116715), we get a palindrome (83782228738).

The spelling of 51761112023 in words is "fifty-one billion, seven hundred sixty-one million, one hundred twelve thousand, twenty-three".