51000105098 has 8 divisors (see below), whose sum is σ = 76502881092. Its totient is φ = 25499144736.

The previous prime is 51000105097. The next prime is 51000105119. The reversal of 51000105098 is 89050100015.

It can be written as a sum of positive squares in 2 ways, for example, as 49888349449 + 1111755649 = 223357^2 + 33343^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51000105098.

It is not an unprimeable number, because it can be changed into a prime (51000105097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381365 + ... + 497432.

Almost surely, 2^51000105098 is an apocalyptic number.

51000105098 is a deficient number, since it is larger than the sum of its proper divisors (25502775994).

51000105098 is a wasteful number, since it uses less digits than its factorization.

51000105098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907816.

The product of its (nonzero) digits is 1800, while the sum is 29.

The spelling of 51000105098 in words is "fifty-one billion, one hundred five thousand, ninety-eight".