51103243699200 has 2376 divisors, whose sum is σ = 240812473827744. Its totient is φ = 10618159104000.

The previous prime is 51103243699093. The next prime is 51103243699213. The reversal of 51103243699200 is 299634230115.

51103243699200 is a `hidden beast` number, since 5 + 1 + 1 + 0 + 3 + 2 + 436 + 9 + 9 + 200 = 666.

It is a tau number, because it is divible by the number of its divisors (2376).

It is a super-2 number, since 2×51103243699200² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 3353003580 + ... + 3353018820.

Almost surely, 2^{51103243699200} is an apocalyptic number.

51103243699200 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 51103243699200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120406236913872).

51103243699200 is an abundant number, since it is smaller than the sum of its proper divisors (189709230128544).

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

51103243699200 is a wasteful number, since it uses less digits than its factorization.

51103243699200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15311 (or 15269 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 51103243699200 in words is "fifty-one trillion, one hundred three billion, two hundred forty-three million, six hundred ninety-nine thousand, two hundred".