1001109928979 has 2 divisors, whose sum is σ = 1001109928980. Its totient is φ = 1001109928978.

The previous prime is 1001109928961. The next prime is 1001109928993. The reversal of 1001109928979 is 9798299011001.

1001109928979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1001109928979 - 2¹² = 1001109924883 is a prime.

It is not a weakly prime, because it can be changed into another prime (1001109988979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500554964489 + 500554964490.

It is an arithmetic number, because the mean of its divisors is an integer number (500554964490).

Almost surely, 2^{1001109928979} is an apocalyptic number.

1001109928979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001109928979 is an equidigital number, since it uses as much as digits as its factorization.

1001109928979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 56.

The spelling of 1001109928979 in words is "one trillion, one billion, one hundred nine million, nine hundred twenty-eight thousand, nine hundred seventy-nine".