13530040155 has 48 divisors (see below), whose sum is σ = 24960536640. Its totient is φ = 6756286464.

The previous prime is 13530040109. The next prime is 13530040159. The reversal of 13530040155 is 55104003531.

13530040155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13530040155 - 2⁶ = 13530040091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13530040159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 101826 + ... + 193464.

It is an arithmetic number, because the mean of its divisors is an integer number (520011180).

Almost surely, 2^13530040155 is an apocalyptic number.

13530040155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13530040155 is a deficient number, since it is larger than the sum of its proper divisors (11430496485).

13530040155 is a wasteful number, since it uses less digits than its factorization.

13530040155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91860 (or 91857 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

Adding to 13530040155 its reverse (55104003531), we get a palindrome (68634043686).

The spelling of 13530040155 in words is "thirteen billion, five hundred thirty million, forty thousand, one hundred fifty-five".