51214233091 has 8 divisors (see below), whose sum is σ = 59522595840. Its totient is φ = 43153881288.

The previous prime is 51214233089. The next prime is 51214233121. The reversal of 51214233091 is 19033241215.

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

It is not a de Polignac number, because 51214233091 - 2¹ = 51214233089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51214233001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62002291 + ... + 62003116.

It is an arithmetic number, because the mean of its divisors is an integer number (7440324480).

Almost surely, 2^51214233091 is an apocalyptic number.

51214233091 is a deficient number, since it is larger than the sum of its proper divisors (8308362749).

51214233091 is a wasteful number, since it uses less digits than its factorization.

51214233091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124005473.

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 51214233091 in words is "fifty-one billion, two hundred fourteen million, two hundred thirty-three thousand, ninety-one".