12551126652 has 36 divisors (see below), whose sum is σ = 31750926480. Its totient is φ = 4180482432.

The previous prime is 12551126633. The next prime is 12551126669. The reversal of 12551126652 is 25662115521.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 86877 + ... + 180692.

It is an arithmetic number, because the mean of its divisors is an integer number (881970180).

Almost surely, 2^12551126652 is an apocalyptic number.

12551126652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12551126652 is an abundant number, since it is smaller than the sum of its proper divisors (19199799828).

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

12551126652 is a wasteful number, since it uses less digits than its factorization.

12551126652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268882 (or 268877 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The spelling of 12551126652 in words is "twelve billion, five hundred fifty-one million, one hundred twenty-six thousand, six hundred fifty-two".