51106580892 has 18 divisors (see below), whose sum is σ = 129186079568. Its totient is φ = 17035526952.

The previous prime is 51106580887. The next prime is 51106580933. The reversal of 51106580892 is 29808560115.

It is a happy number.

51106580892 is a `hidden beast` number, since 51 + 10 + 6 + 580 + 8 + 9 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×51106580892² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 709813588 + ... + 709813659.

Almost surely, 2^51106580892 is an apocalyptic number.

It is an amenable number.

51106580892 is an abundant number, since it is smaller than the sum of its proper divisors (78079498676).

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

51106580892 is a wasteful number, since it uses less digits than its factorization.

51106580892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419627257 (or 1419627252 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 45.

The spelling of 51106580892 in words is "fifty-one billion, one hundred six million, five hundred eighty thousand, eight hundred ninety-two".