13111111032 has 32 divisors (see below), whose sum is σ = 32978878080. Its totient is φ = 4343556960.

The previous prime is 13111111007. The next prime is 13111111051. The reversal of 13111111032 is 23011111131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1671844 + ... + 1679667.

It is an arithmetic number, because the mean of its divisors is an integer number (1030589940).

Almost surely, 2^13111111032 is an apocalyptic number.

13111111032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13111111032 is an abundant number, since it is smaller than the sum of its proper divisors (19867767048).

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

13111111032 is a wasteful number, since it uses less digits than its factorization.

13111111032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351683 (or 3351679 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 13111111032 its reverse (23011111131), we get a palindrome (36122222163).

Subtracting 13111111032 from its reverse (23011111131), we obtain a palindrome (9900000099).

The spelling of 13111111032 in words is "thirteen billion, one hundred eleven million, one hundred eleven thousand, thirty-two".