51411748499 has 8 divisors (see below), whose sum is σ = 53659037472. Its totient is φ = 49165459200.

The previous prime is 51411748439. The next prime is 51411748511. The reversal of 51411748499 is 99484711415.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51411748499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51411748499.

It is not an unprimeable number, because it can be changed into a prime (51411748439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143852 + ... + 351449.

It is an arithmetic number, because the mean of its divisors is an integer number (6707379684).

Almost surely, 2^51411748499 is an apocalyptic number.

51411748499 is a deficient number, since it is larger than the sum of its proper divisors (2247288973).

51411748499 is a wasteful number, since it uses less digits than its factorization.

51411748499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499837.

The product of its digits is 1451520, while the sum is 53.

The spelling of 51411748499 in words is "fifty-one billion, four hundred eleven million, seven hundred forty-eight thousand, four hundred ninety-nine".