51098856001 has 8 divisors (see below), whose sum is σ = 52373375208. Its totient is φ = 49825680000.

The previous prime is 51098855999. The next prime is 51098856007. The reversal of 51098856001 is 10065889015.

It can be written as a sum of positive squares in 4 ways, for example, as 68046001 + 51030810000 = 8249^2 + 225900^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51098856001 - 2¹ = 51098855999 is a prime.

It is a super-2 number, since 2×51098856001² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51098856007) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 258550 + ... + 411151.

It is an arithmetic number, because the mean of its divisors is an integer number (6546671901).

Almost surely, 2^51098856001 is an apocalyptic number.

It is an amenable number.

51098856001 is a deficient number, since it is larger than the sum of its proper divisors (1274519207).

51098856001 is a wasteful number, since it uses less digits than its factorization.

51098856001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671603.

The product of its (nonzero) digits is 86400, while the sum is 43.

The spelling of 51098856001 in words is "fifty-one billion, ninety-eight million, eight hundred fifty-six thousand, one".