51001411022223 has 4 divisors (see below), whose sum is σ = 68001881362968. Its totient is φ = 34000940681480.

The previous prime is 51001411022153. The next prime is 51001411022251. The reversal of 51001411022223 is 32222011410015.

It is a happy number.

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 51001411022223 - 2¹⁶ = 51001410956687 is a prime.

It is a super-2 number, since 2×51001411022223² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51001411022193 and 51001411022202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51001411022273) 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, 8500235170368 + ... + 8500235170373.

It is an arithmetic number, because the mean of its divisors is an integer number (17000470340742).

Almost surely, 2^{51001411022223} is an apocalyptic number.

51001411022223 is a deficient number, since it is larger than the sum of its proper divisors (17000470340745).

51001411022223 is a wasteful number, since it uses less digits than its factorization.

51001411022223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17000470340744.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 51001411022223 its reverse (32222011410015), we get a palindrome (83223422432238).

The spelling of 51001411022223 in words is "fifty-one trillion, one billion, four hundred eleven million, twenty-two thousand, two hundred twenty-three".