51102326000 has 160 divisors (see below), whose sum is σ = 135700171776. Its totient is φ = 18458400000.

The previous prime is 51102325969. The next prime is 51102326027. The reversal of 51102326000 is 62320115.

It is a super-2 number, since 2×51102326000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3314309 + ... + 3329691.

Almost surely, 2^51102326000 is an apocalyptic number.

51102326000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51102326000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67850085888).

51102326000 is an abundant number, since it is smaller than the sum of its proper divisors (84597845776).

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

51102326000 is a wasteful number, since it uses less digits than its factorization.

51102326000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15568 (or 15552 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 51102326000 its reverse (62320115), we get a palindrome (51164646115).

The spelling of 51102326000 in words is "fifty-one billion, one hundred two million, three hundred twenty-six thousand".