105312104552947 has 2 divisors, whose sum is σ = 105312104552948. Its totient is φ = 105312104552946.

The previous prime is 105312104552923. The next prime is 105312104553049. The reversal of 105312104552947 is 749255401213501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105312104552947 - 2²³ = 105312096164339 is a prime.

It is a super-2 number, since 2×105312104552947² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105312104552947.

It is not a weakly prime, because it can be changed into another prime (105312104552647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52656052276473 + 52656052276474.

It is an arithmetic number, because the mean of its divisors is an integer number (52656052276474).

Almost surely, 2^{105312104552947} is an apocalyptic number.

105312104552947 is a deficient number, since it is larger than the sum of its proper divisors (1).

105312104552947 is an equidigital number, since it uses as much as digits as its factorization.

105312104552947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512000, while the sum is 49.

The spelling of 105312104552947 in words is "one hundred five trillion, three hundred twelve billion, one hundred four million, five hundred fifty-two thousand, nine hundred forty-seven".