51910500205 has 8 divisors (see below), whose sum is σ = 63741265632. Its totient is φ = 40562623248.

The previous prime is 51910500149. The next prime is 51910500211. The reversal of 51910500205 is 50200501915.

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 51910500205 - 2¹³ = 51910492013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120721879 + ... + 120722308.

It is an arithmetic number, because the mean of its divisors is an integer number (7967658204).

Almost surely, 2^51910500205 is an apocalyptic number.

It is an amenable number.

51910500205 is a deficient number, since it is larger than the sum of its proper divisors (11830765427).

51910500205 is a wasteful number, since it uses less digits than its factorization.

51910500205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241444235.

The product of its (nonzero) digits is 2250, while the sum is 28.

The spelling of 51910500205 in words is "fifty-one billion, nine hundred ten million, five hundred thousand, two hundred five".