20131055089911 has 6 divisors (see below), whose sum is σ = 29078190685440. Its totient is φ = 13420703393268.

The previous prime is 20131055089861. The next prime is 20131055089913. The reversal of 20131055089911 is 11998055013102.

It is a happy number.

20131055089911 is a `hidden beast` number, since 2 + 0 + 1 + 3 + 1 + 0 + 550 + 8 + 9 + 91 + 1 = 666.

It is not a de Polignac number, because 20131055089911 - 2²² = 20131050895607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20131055089913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1118391949431 + ... + 1118391949448.

It is an arithmetic number, because the mean of its divisors is an integer number (4846365114240).

Almost surely, 2^{20131055089911} is an apocalyptic number.

20131055089911 is a deficient number, since it is larger than the sum of its proper divisors (8947135595529).

20131055089911 is a wasteful number, since it uses less digits than its factorization.

20131055089911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236783898885 (or 2236783898882 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 45.

The spelling of 20131055089911 in words is "twenty trillion, one hundred thirty-one billion, fifty-five million, eighty-nine thousand, nine hundred eleven".