13500551326 has 8 divisors (see below), whose sum is σ = 21442052160. Its totient is φ = 6353200608.

The previous prime is 13500551297. The next prime is 13500551333. The reversal of 13500551326 is 62315500531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13500551326² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198537486 + ... + 198537553.

It is an arithmetic number, because the mean of its divisors is an integer number (2680256520).

Almost surely, 2^13500551326 is an apocalyptic number.

13500551326 is a deficient number, since it is larger than the sum of its proper divisors (7941500834).

13500551326 is a wasteful number, since it uses less digits than its factorization.

13500551326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397075058.

The product of its (nonzero) digits is 13500, while the sum is 31.

The spelling of 13500551326 in words is "thirteen billion, five hundred million, five hundred fifty-one thousand, three hundred twenty-six".