1108926261397 has 2 divisors, whose sum is σ = 1108926261398. Its totient is φ = 1108926261396.

The previous prime is 1108926261329. The next prime is 1108926261413. The reversal of 1108926261397 is 7931626298011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 610545327876 + 498380933521 = 781374^2 + 705961^2 .

It is a cyclic number.

It is not a de Polignac number, because 1108926261397 - 2²³ = 1108917872789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1108926261307) 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 as a sum of consecutive naturals, namely, 554463130698 + 554463130699.

It is an arithmetic number, because the mean of its divisors is an integer number (554463130699).

Almost surely, 2^{1108926261397} is an apocalyptic number.

It is an amenable number.

1108926261397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1108926261397 is an equidigital number, since it uses as much as digits as its factorization.

1108926261397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The spelling of 1108926261397 in words is "one trillion, one hundred eight billion, nine hundred twenty-six million, two hundred sixty-one thousand, three hundred ninety-seven".