51102328747 has 2 divisors, whose sum is σ = 51102328748. Its totient is φ = 51102328746.

The previous prime is 51102328723. The next prime is 51102328787. The reversal of 51102328747 is 74782320115.

It is an a-pointer prime, because the next prime (51102328787) can be obtained adding 51102328747 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51102328747 - 2³⁵ = 16742590379 is a prime.

It is a super-2 number, since 2×51102328747² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51102328787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25551164373 + 25551164374.

It is an arithmetic number, because the mean of its divisors is an integer number (25551164374).

Almost surely, 2^51102328747 is an apocalyptic number.

51102328747 is a deficient number, since it is larger than the sum of its proper divisors (1).

51102328747 is an equidigital number, since it uses as much as digits as its factorization.

51102328747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 40.

The spelling of 51102328747 in words is "fifty-one billion, one hundred two million, three hundred twenty-eight thousand, seven hundred forty-seven".