51297658099 has 8 divisors (see below), whose sum is σ = 52500813552. Its totient is φ = 50094965760.

The previous prime is 51297658091. The next prime is 51297658133. The reversal of 51297658099 is 99085679215.

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 51297658099 - 2³ = 51297658091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51297658091) 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, 113619 + ... + 339859.

It is an arithmetic number, because the mean of its divisors is an integer number (6562601694).

Almost surely, 2^51297658099 is an apocalyptic number.

51297658099 is a deficient number, since it is larger than the sum of its proper divisors (1203155453).

51297658099 is a wasteful number, since it uses less digits than its factorization.

51297658099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231557.

The product of its (nonzero) digits is 12247200, while the sum is 61.

The spelling of 51297658099 in words is "fifty-one billion, two hundred ninety-seven million, six hundred fifty-eight thousand, ninety-nine".