51741011808 has 36 divisors (see below), whose sum is σ = 147138503148. Its totient is φ = 17247003840.

The previous prime is 51741011797. The next prime is 51741011851. The reversal of 51741011808 is 80811014715.

It is a tau number, because it is divible by the number of its divisors (36).

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 5 ways as a sum of consecutive naturals, for example, 89827858 + ... + 89828433.

It is an arithmetic number, because the mean of its divisors is an integer number (4087180643).

Almost surely, 2^51741011808 is an apocalyptic number.

It is an amenable number.

51741011808 is an abundant number, since it is smaller than the sum of its proper divisors (95397491340).

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

51741011808 is a wasteful number, since it uses less digits than its factorization.

51741011808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179656307 (or 179656296 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 36.

The spelling of 51741011808 in words is "fifty-one billion, seven hundred forty-one million, eleven thousand, eight hundred eight".