13603345155 has 12 divisors (see below), whose sum is σ = 23579131680. Its totient is φ = 7255117392.

The previous prime is 13603345153. The next prime is 13603345157. The reversal of 13603345155 is 55154330631.

13603345155 is a `hidden beast` number, since 1 + 3 + 603 + 3 + 45 + 1 + 5 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (13603345153) and next prime (13603345157).

It is not a de Polignac number, because 13603345155 - 2¹ = 13603345153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13603345153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151148235 + ... + 151148324.

It is an arithmetic number, because the mean of its divisors is an integer number (1964927640).

Almost surely, 2^13603345155 is an apocalyptic number.

13603345155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13603345155 is a deficient number, since it is larger than the sum of its proper divisors (9975786525).

13603345155 is a wasteful number, since it uses less digits than its factorization.

13603345155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302296570 (or 302296567 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

Adding to 13603345155 its reverse (55154330631), we get a palindrome (68757675786).

The spelling of 13603345155 in words is "thirteen billion, six hundred three million, three hundred forty-five thousand, one hundred fifty-five".