13105552015 has 8 divisors (see below), whose sum is σ = 15984476928. Its totient is φ = 10312565280.

The previous prime is 13105552003. The next prime is 13105552027. The reversal of 13105552015 is 51025550131.

It is an interprime number because it is at equal distance from previous prime (13105552003) and next prime (13105552027).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13105552015 - 2¹¹ = 13105549967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21484207 + ... + 21484816.

It is an arithmetic number, because the mean of its divisors is an integer number (1998059616).

Almost surely, 2^13105552015 is an apocalyptic number.

13105552015 is a deficient number, since it is larger than the sum of its proper divisors (2878924913).

13105552015 is an equidigital number, since it uses as much as digits as its factorization.

13105552015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42969089.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 13105552015 in words is "thirteen billion, one hundred five million, five hundred fifty-two thousand, fifteen".