51102503244 has 216 divisors, whose sum is σ = 143923219440. Its totient is φ = 15273183744.

The previous prime is 51102503233. The next prime is 51102503293. The reversal of 51102503244 is 44230520115.

51102503244 is a `hidden beast` number, since 5 + 110 + 2 + 503 + 2 + 44 = 666.

It is a super-2 number, since 2×51102503244² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 59908722 + ... + 59909574.

Almost surely, 2^51102503244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51102503244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71961609720).

51102503244 is an abundant number, since it is smaller than the sum of its proper divisors (92820716196).

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

51102503244 is a wasteful number, since it uses less digits than its factorization.

51102503244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161 (or 1143 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 51102503244 in words is "fifty-one billion, one hundred two million, five hundred three thousand, two hundred forty-four".