13315012155 has 12 divisors (see below), whose sum is σ = 23079354480. Its totient is φ = 7101339792.

The previous prime is 13315012127. The next prime is 13315012159. The reversal of 13315012155 is 55121051331.

13315012155 is a `hidden beast` number, since 1 + 3 + 3 + 1 + 501 + 2 + 155 = 666.

It is not a de Polignac number, because 13315012155 - 2¹⁵ = 13314979387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13315012159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147944535 + ... + 147944624.

It is an arithmetic number, because the mean of its divisors is an integer number (1923279540).

Almost surely, 2^13315012155 is an apocalyptic number.

13315012155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13315012155 is a deficient number, since it is larger than the sum of its proper divisors (9764342325).

13315012155 is a wasteful number, since it uses less digits than its factorization.

13315012155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295889170 (or 295889167 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

Adding to 13315012155 its reverse (55121051331), we get a palindrome (68436063486).

The spelling of 13315012155 in words is "thirteen billion, three hundred fifteen million, twelve thousand, one hundred fifty-five".