51411748501 has 8 divisors (see below), whose sum is σ = 51732110520. Its totient is φ = 51091653312.

The previous prime is 51411748439. The next prime is 51411748511. The reversal of 51411748501 is 10584711415.

It can be written as a sum of positive squares in 4 ways, for example, as 15907767876 + 35503980625 = 126126^2 + 188425^2 .

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 51411748501 - 2¹⁹ = 51411224213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51411748511) 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, 327051 + ... + 458023.

It is an arithmetic number, because the mean of its divisors is an integer number (6466513815).

Almost surely, 2^51411748501 is an apocalyptic number.

It is an amenable number.

51411748501 is a deficient number, since it is larger than the sum of its proper divisors (320362019).

51411748501 is a wasteful number, since it uses less digits than its factorization.

51411748501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133415.

The product of its (nonzero) digits is 22400, while the sum is 37.

The spelling of 51411748501 in words is "fifty-one billion, four hundred eleven million, seven hundred forty-eight thousand, five hundred one".