13155540115 has 16 divisors (see below), whose sum is σ = 16718899968. Its totient is φ = 9916590816.

The previous prime is 13155540103. The next prime is 13155540121. The reversal of 13155540115 is 51104555131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13155540115 - 2⁹ = 13155539603 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 845997 + ... + 861406.

It is an arithmetic number, because the mean of its divisors is an integer number (1044931248).

Almost surely, 2^13155540115 is an apocalyptic number.

13155540115 is a deficient number, since it is larger than the sum of its proper divisors (3563359853).

13155540115 is a wasteful number, since it uses less digits than its factorization.

13155540115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707498.

The product of its (nonzero) digits is 7500, while the sum is 31.

The spelling of 13155540115 in words is "thirteen billion, one hundred fifty-five million, five hundred forty thousand, one hundred fifteen".