51411748500 has 1152 divisors, whose sum is σ = 214561751040. Its totient is φ = 10077696000.

The previous prime is 51411748439. The next prime is 51411748511. The reversal of 51411748500 is 584711415.

51411748500 is a `hidden beast` number, since 5 + 141 + 1 + 7 + 4 + 8 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 315409419 + ... + 315409581.

It is an arithmetic number, because the mean of its divisors is an integer number (186251520).

Almost surely, 2^51411748500 is an apocalyptic number.

51411748500 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 51411748500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107280875520).

51411748500 is an abundant number, since it is smaller than the sum of its proper divisors (163150002540).

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

51411748500 is a wasteful number, since it uses less digits than its factorization.

51411748500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The spelling of 51411748500 in words is "fifty-one billion, four hundred eleven million, seven hundred forty-eight thousand, five hundred".