51100527808 has 28 divisors (see below), whose sum is σ = 110621030472. Its totient is φ = 23227512320.

The previous prime is 51100527773. The next prime is 51100527853. The reversal of 51100527808 is 80872500115.

It is a super-2 number, since 2×51100527808² (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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36292285 + ... + 36293692.

Almost surely, 2^51100527808 is an apocalyptic number.

It is an amenable number.

51100527808 is an abundant number, since it is smaller than the sum of its proper divisors (59520502664).

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

51100527808 is a wasteful number, since it uses less digits than its factorization.

51100527808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72586000 (or 72585990 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 37.

The spelling of 51100527808 in words is "fifty-one billion, one hundred million, five hundred twenty-seven thousand, eight hundred eight".