13611326652 has 144 divisors (see below), whose sum is σ = 43706138112. Its totient is φ = 3468666240.

The previous prime is 13611326629. The next prime is 13611326671. The reversal of 13611326652 is 25662311631.

13611326652 is a `hidden beast` number, since 1 + 3 + 611 + 32 + 6 + 6 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100593 + ... + 193239.

It is an arithmetic number, because the mean of its divisors is an integer number (303514848).

Almost surely, 2^13611326652 is an apocalyptic number.

13611326652 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 13611326652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21853069056).

13611326652 is an abundant number, since it is smaller than the sum of its proper divisors (30094811460).

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

13611326652 is a wasteful number, since it uses less digits than its factorization.

13611326652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92728 (or 92723 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The spelling of 13611326652 in words is "thirteen billion, six hundred eleven million, three hundred twenty-six thousand, six hundred fifty-two".