51106420323024 has 80 divisors (see below), whose sum is σ = 146055736548864. Its totient is φ = 15268670166400.

The previous prime is 51106420322989. The next prime is 51106420323071. The reversal of 51106420323024 is 42032302460115.

It is a super-2 number, since 2×51106420323024² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 681599574 + ... + 681674549.

Almost surely, 2^{51106420323024} is an apocalyptic number.

It is an amenable number.

51106420323024 is an abundant number, since it is smaller than the sum of its proper divisors (94949316225840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51106420323024 is a wasteful number, since it uses less digits than its factorization.

51106420323024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363274216 (or 1363274210 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 51106420323024 its reverse (42032302460115), we get a palindrome (93138722783139).

The spelling of 51106420323024 in words is "fifty-one trillion, one hundred six billion, four hundred twenty million, three hundred twenty-three thousand, twenty-four".