12153263640 has 64 divisors (see below), whose sum is σ = 41668335360. Its totient is φ = 2777888640.

The previous prime is 12153263623. The next prime is 12153263651. The reversal of 12153263640 is 4636235121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7233246 + ... + 7234925.

It is an arithmetic number, because the mean of its divisors is an integer number (651067740).

Almost surely, 2^12153263640 is an apocalyptic number.

12153263640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12153263640 is an abundant number, since it is smaller than the sum of its proper divisors (29515071720).

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

12153263640 is a wasteful number, since it uses less digits than its factorization.

12153263640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14468192 (or 14468188 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 12153263640 its reverse (4636235121), we get a palindrome (16789498761).

The spelling of 12153263640 in words is "twelve billion, one hundred fifty-three million, two hundred sixty-three thousand, six hundred forty".