51102326147 has 4 divisors (see below), whose sum is σ = 53791922280. Its totient is φ = 48412730016.

The previous prime is 51102326117. The next prime is 51102326153. The reversal of 51102326147 is 74162320115.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51102326147 - 2⁶ = 51102326083 is a prime.

It is a super-2 number, since 2×51102326147² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51102326117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1344798038 + ... + 1344798075.

It is an arithmetic number, because the mean of its divisors is an integer number (13447980570).

Almost surely, 2^51102326147 is an apocalyptic number.

51102326147 is a deficient number, since it is larger than the sum of its proper divisors (2689596133).

51102326147 is a wasteful number, since it uses less digits than its factorization.

51102326147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689596132.

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 51102326147 in words is "fifty-one billion, one hundred two million, three hundred twenty-six thousand, one hundred forty-seven".