13680011352 has 64 divisors (see below), whose sum is σ = 39096011520. Its totient is φ = 3907548288.

The previous prime is 13680011351. The next prime is 13680011353. The reversal of 13680011352 is 25311008631.

It is an interprime number because it is at equal distance from previous prime (13680011351) and next prime (13680011353).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13680011351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 824563 + ... + 840989.

It is an arithmetic number, because the mean of its divisors is an integer number (610875180).

Almost surely, 2^13680011352 is an apocalyptic number.

13680011352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13680011352 is an abundant number, since it is smaller than the sum of its proper divisors (25416000168).

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

13680011352 is a wasteful number, since it uses less digits than its factorization.

13680011352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21400 (or 21396 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 13680011352 its reverse (25311008631), we get a palindrome (38991019983).

The spelling of 13680011352 in words is "thirteen billion, six hundred eighty million, eleven thousand, three hundred fifty-two".