13111156632 has 128 divisors (see below), whose sum is σ = 38314137600. Its totient is φ = 3661632000.

The previous prime is 13111156631. The next prime is 13111156633. The reversal of 13111156632 is 23665111131.

It is an interprime number because it is at equal distance from previous prime (13111156631) and next prime (13111156633).

It is a self number, because there is not a number n which added to its sum of digits gives 13111156632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111156631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1335582 + ... + 1345362.

It is an arithmetic number, because the mean of its divisors is an integer number (299329200).

Almost surely, 2^13111156632 is an apocalyptic number.

13111156632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13111156632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19157068800).

13111156632 is an abundant number, since it is smaller than the sum of its proper divisors (25202980968).

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

13111156632 is a wasteful number, since it uses less digits than its factorization.

13111156632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9977 (or 9973 counting only the distinct ones).

The product of its digits is 3240, while the sum is 30.

Adding to 13111156632 its reverse (23665111131), we get a palindrome (36776267763).

The spelling of 13111156632 in words is "thirteen billion, one hundred eleven million, one hundred fifty-six thousand, six hundred thirty-two".