13661233052 has 6 divisors (see below), whose sum is σ = 23907157848. Its totient is φ = 6830616524.

The previous prime is 13661233049. The next prime is 13661233127. The reversal of 13661233052 is 25033216631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1707654128 + ... + 1707654135.

It is an arithmetic number, because the mean of its divisors is an integer number (3984526308).

Almost surely, 2^13661233052 is an apocalyptic number.

It is an amenable number.

13661233052 is a deficient number, since it is larger than the sum of its proper divisors (10245924796).

13661233052 is a wasteful number, since it uses less digits than its factorization.

13661233052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3415308267 (or 3415308265 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

Adding to 13661233052 its reverse (25033216631), we get a palindrome (38694449683).

The spelling of 13661233052 in words is "thirteen billion, six hundred sixty-one million, two hundred thirty-three thousand, fifty-two".