20103318511379 has 2 divisors, whose sum is σ = 20103318511380. Its totient is φ = 20103318511378.

The previous prime is 20103318511351. The next prime is 20103318511487. The reversal of 20103318511379 is 97311581330102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20103318511379 - 2²⁴ = 20103301734163 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20103318511319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051659255689 + 10051659255690.

It is an arithmetic number, because the mean of its divisors is an integer number (10051659255690).

Almost surely, 2^{20103318511379} is an apocalyptic number.

20103318511379 is a deficient number, since it is larger than the sum of its proper divisors (1).

20103318511379 is an equidigital number, since it uses as much as digits as its factorization.

20103318511379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 44.

The spelling of 20103318511379 in words is "twenty trillion, one hundred three billion, three hundred eighteen million, five hundred eleven thousand, three hundred seventy-nine".