51106051236400 has 60 divisors (see below), whose sum is σ = 122788465769592. Its totient is φ = 20441391953920.

The previous prime is 51106051236367. The next prime is 51106051236413. The reversal of 51106051236400 is 463215060115.

It is a super-2 number, since 2×51106051236400² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4770579 + ... + 11179021.

Almost surely, 2^{51106051236400} is an apocalyptic number.

51106051236400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51106051236400 is an abundant number, since it is smaller than the sum of its proper divisors (71682414533192).

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

51106051236400 is a wasteful number, since it uses less digits than its factorization.

51106051236400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6428398 (or 6428387 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

Adding to 51106051236400 its reverse (463215060115), we get a palindrome (51569266296515).

The spelling of 51106051236400 in words is "fifty-one trillion, one hundred six billion, fifty-one million, two hundred thirty-six thousand, four hundred".