12653111000 has 32 divisors (see below), whose sum is σ = 29608282080. Its totient is φ = 5061244000.

The previous prime is 12653110991. The next prime is 12653111011. The reversal of 12653111000 is 11135621.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6325556 + ... + 6327555.

It is an arithmetic number, because the mean of its divisors is an integer number (925258815).

Almost surely, 2^12653111000 is an apocalyptic number.

12653111000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12653111000 is an abundant number, since it is smaller than the sum of its proper divisors (16955171080).

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

12653111000 is a wasteful number, since it uses less digits than its factorization.

12653111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12653132 (or 12653118 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 12653111000 its reverse (11135621), we get a palindrome (12664246621).

The spelling of 12653111000 in words is "twelve billion, six hundred fifty-three million, one hundred eleven thousand".