13505152155 has 64 divisors (see below), whose sum is σ = 25568234496. Its totient is φ = 6012416000.

The previous prime is 13505152151. The next prime is 13505152159. The reversal of 13505152155 is 55125150531.

It is an interprime number because it is at equal distance from previous prime (13505152151) and next prime (13505152159).

It is not a de Polignac number, because 13505152155 - 2² = 13505152151 is a prime.

It is a super-2 number, since 2×13505152155² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (13505152151) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 56290 + ... + 173720.

It is an arithmetic number, because the mean of its divisors is an integer number (399503664).

Almost surely, 2^13505152155 is an apocalyptic number.

13505152155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13505152155 is a deficient number, since it is larger than the sum of its proper divisors (12063082341).

13505152155 is a wasteful number, since it uses less digits than its factorization.

13505152155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117508.

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 13505152155 in words is "thirteen billion, five hundred five million, one hundred fifty-two thousand, one hundred fifty-five".