13111440423102 has 72 divisors (see below), whose sum is σ = 33188011099776. Its totient is φ = 3730047983424.

The previous prime is 13111440423073. The next prime is 13111440423187. The reversal of 13111440423102 is 20132404411131.

It is a happy number.

13111440423102 is a `hidden beast` number, since 1 + 3 + 11 + 14 + 404 + 231 + 0 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 31694878 + ... + 32105889.

It is an arithmetic number, because the mean of its divisors is an integer number (460944598608).

Almost surely, 2^{13111440423102} is an apocalyptic number.

13111440423102 is an abundant number, since it is smaller than the sum of its proper divisors (20076570676674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13111440423102 is a wasteful number, since it uses less digits than its factorization.

13111440423102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63801022 (or 63801012 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 13111440423102 its reverse (20132404411131), we get a palindrome (33243844834233).

The spelling of 13111440423102 in words is "thirteen trillion, one hundred eleven billion, four hundred forty million, four hundred twenty-three thousand, one hundred two".