13551204532 has 24 divisors (see below), whose sum is σ = 24011063496. Its totient is φ = 6691335168.

The previous prime is 13551204523. The next prime is 13551204533. The reversal of 13551204532 is 23540215531.

It can be written as a sum of positive squares in 4 ways, for example, as 1313316 + 13549891216 = 1146^2 + 116404^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13551204494 and 13551204503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13551204533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71088 + ... + 179320.

It is an arithmetic number, because the mean of its divisors is an integer number (1000460979).

Almost surely, 2^13551204532 is an apocalyptic number.

It is an amenable number.

13551204532 is a deficient number, since it is larger than the sum of its proper divisors (10459858964).

13551204532 is a wasteful number, since it uses less digits than its factorization.

13551204532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108627 (or 108625 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 13551204532 in words is "thirteen billion, five hundred fifty-one million, two hundred four thousand, five hundred thirty-two".