10001020961879 has 2 divisors, whose sum is σ = 10001020961880. Its totient is φ = 10001020961878.

The previous prime is 10001020961831. The next prime is 10001020961887. The reversal of 10001020961879 is 97816902010001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10001020961879 - 2³² = 9996725994583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10001020961179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000510480939 + 5000510480940.

It is an arithmetic number, because the mean of its divisors is an integer number (5000510480940).

Almost surely, 2^{10001020961879} is an apocalyptic number.

10001020961879 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001020961879 is an equidigital number, since it uses as much as digits as its factorization.

10001020961879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 44.

The spelling of 10001020961879 in words is "ten trillion, one billion, twenty million, nine hundred sixty-one thousand, eight hundred seventy-nine".