51128350367 has 8 divisors (see below), whose sum is σ = 51318890880. Its totient is φ = 50937879960.

The previous prime is 51128350363. The next prime is 51128350439. The reversal of 51128350367 is 76305382115.

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 51128350367 - 2² = 51128350363 is a prime.

It is a super-2 number, since 2×51128350367² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51128350363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1785392 + ... + 1813802.

It is an arithmetic number, because the mean of its divisors is an integer number (6414861360).

Almost surely, 2^51128350367 is an apocalyptic number.

51128350367 is a deficient number, since it is larger than the sum of its proper divisors (190540513).

51128350367 is a wasteful number, since it uses less digits than its factorization.

51128350367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35053.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 51128350367 in words is "fifty-one billion, one hundred twenty-eight million, three hundred fifty thousand, three hundred sixty-seven".