13155749203 has 4 divisors (see below), whose sum is σ = 13156052968. Its totient is φ = 13155445440.

The previous prime is 13155749197. The next prime is 13155749291. The reversal of 13155749203 is 30294755131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30294755131 = 4973 ⋅6091847.

It is a cyclic number.

It is not a de Polignac number, because 13155749203 - 2³³ = 4565814611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13155746203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73401 + ... + 178042.

It is an arithmetic number, because the mean of its divisors is an integer number (3289013242).

Almost surely, 2^13155749203 is an apocalyptic number.

13155749203 is a deficient number, since it is larger than the sum of its proper divisors (303765).

13155749203 is an equidigital number, since it uses as much as digits as its factorization.

13155749203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303764.

The product of its (nonzero) digits is 113400, while the sum is 40.

The spelling of 13155749203 in words is "thirteen billion, one hundred fifty-five million, seven hundred forty-nine thousand, two hundred three".