51150000605 has 32 divisors (see below), whose sum is σ = 74630367360. Its totient is φ = 33169029120.

The previous prime is 51150000599. The next prime is 51150000611. The reversal of 51150000605 is 50600005115.

It is an interprime number because it is at equal distance from previous prime (51150000599) and next prime (51150000611).

It is not a de Polignac number, because 51150000605 - 2¹⁶ = 51149935069 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1421864 + ... + 1457393.

It is an arithmetic number, because the mean of its divisors is an integer number (2332198980).

Almost surely, 2^51150000605 is an apocalyptic number.

51150000605 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51150000605 is a deficient number, since it is larger than the sum of its proper divisors (23480366755).

51150000605 is a wasteful number, since it uses less digits than its factorization.

51150000605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2879309.

The product of its (nonzero) digits is 750, while the sum is 23.

The spelling of 51150000605 in words is "fifty-one billion, one hundred fifty million, six hundred five", and thus it is an aban number.