20110031040079 has 2 divisors, whose sum is σ = 20110031040080. Its totient is φ = 20110031040078.

The previous prime is 20110031039977. The next prime is 20110031040101. The reversal of 20110031040079 is 97004013001102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20110031040079 - 2⁴³ = 11313938017871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20110031040679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055015520039 + 10055015520040.

It is an arithmetic number, because the mean of its divisors is an integer number (10055015520040).

Almost surely, 2^{20110031040079} is an apocalyptic number.

20110031040079 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110031040079 is an equidigital number, since it uses as much as digits as its factorization.

20110031040079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The spelling of 20110031040079 in words is "twenty trillion, one hundred ten billion, thirty-one million, forty thousand, seventy-nine".