13215452103 has 16 divisors (see below), whose sum is σ = 22375368960. Its totient is φ = 7551686808.

The previous prime is 13215452099. The next prime is 13215452123. The reversal of 13215452103 is 30125451231.

13215452103 is a `hidden beast` number, since 13 + 2 + 1 + 545 + 2 + 103 = 666.

It is not a de Polignac number, because 13215452103 - 2² = 13215452099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13215452123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34961325 + ... + 34961702.

It is an arithmetic number, because the mean of its divisors is an integer number (1398460560).

Almost surely, 2^13215452103 is an apocalyptic number.

13215452103 is a deficient number, since it is larger than the sum of its proper divisors (9159916857).

13215452103 is an equidigital number, since it uses as much as digits as its factorization.

13215452103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69923043 (or 69923037 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 13215452103 in words is "thirteen billion, two hundred fifteen million, four hundred fifty-two thousand, one hundred three".