51005551095 has 64 divisors (see below), whose sum is σ = 96054698880. Its totient is φ = 25590988800.

The previous prime is 51005551087. The next prime is 51005551123. The reversal of 51005551095 is 59015550015.

It is a happy number.

51005551095 is a `hidden beast` number, since 5 + 1 + 0 + 0 + 55 + 510 + 95 = 666.

It is not a de Polignac number, because 51005551095 - 2³ = 51005551087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7159135 + ... + 7166255.

It is an arithmetic number, because the mean of its divisors is an integer number (1500854670).

Almost surely, 2^51005551095 is an apocalyptic number.

51005551095 is a deficient number, since it is larger than the sum of its proper divisors (45049147785).

51005551095 is a wasteful number, since it uses less digits than its factorization.

51005551095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10273 (or 10267 counting only the distinct ones).

The product of its (nonzero) digits is 28125, while the sum is 36.

The spelling of 51005551095 in words is "fifty-one billion, five million, five hundred fifty-one thousand, ninety-five".