13525551628 has 48 divisors (see below), whose sum is σ = 25973377920. Its totient is φ = 6134317056.

The previous prime is 13525551607. The next prime is 13525551631. The reversal of 13525551628 is 82615552531.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1131901 + ... + 1143787.

It is an arithmetic number, because the mean of its divisors is an integer number (541112040).

Almost surely, 2^13525551628 is an apocalyptic number.

It is an amenable number.

13525551628 is a deficient number, since it is larger than the sum of its proper divisors (12447826292).

13525551628 is a wasteful number, since it uses less digits than its factorization.

13525551628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12514 (or 12512 counting only the distinct ones).

The product of its digits is 360000, while the sum is 43.

The spelling of 13525551628 in words is "thirteen billion, five hundred twenty-five million, five hundred fifty-one thousand, six hundred twenty-eight".