13551113522 has 8 divisors (see below), whose sum is σ = 20659894572. Its totient is φ = 6664482000.

The previous prime is 13551113509. The next prime is 13551113549. The reversal of 13551113522 is 22531115531.

It can be written as a sum of positive squares in 2 ways, for example, as 12795908161 + 755205361 = 113119^2 + 27481^2 .

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

It is a super-2 number, since 2×13551113522² (a number of 21 digits) contains 22 as substring.

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, 55537229 + ... + 55537472.

Almost surely, 2^13551113522 is an apocalyptic number.

13551113522 is a deficient number, since it is larger than the sum of its proper divisors (7108781050).

13551113522 is a wasteful number, since it uses less digits than its factorization.

13551113522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111074764.

The product of its digits is 4500, while the sum is 29.

The spelling of 13551113522 in words is "thirteen billion, five hundred fifty-one million, one hundred thirteen thousand, five hundred twenty-two".