13551234403 has 8 divisors (see below), whose sum is σ = 15492696320. Its totient is φ = 11611165320.

The previous prime is 13551234377. The next prime is 13551234409. The reversal of 13551234403 is 30443215531.

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

It is a cyclic number.

It is not a de Polignac number, because 13551234403 - 2²⁹ = 13014363491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13551234409) 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, 327273 + ... + 366346.

It is an arithmetic number, because the mean of its divisors is an integer number (1936587040).

Almost surely, 2^13551234403 is an apocalyptic number.

13551234403 is a deficient number, since it is larger than the sum of its proper divisors (1941461917).

13551234403 is an equidigital number, since it uses as much as digits as its factorization.

13551234403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696417.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 13551234403 its reverse (30443215531), we get a palindrome (43994449934).

The spelling of 13551234403 in words is "thirteen billion, five hundred fifty-one million, two hundred thirty-four thousand, four hundred three".