13515505101 has 16 divisors (see below), whose sum is σ = 22883395200. Its totient is φ = 7723145664.

The previous prime is 13515505051. The next prime is 13515505109. The reversal of 13515505101 is 10150551531.

13515505101 is a `hidden beast` number, since 1 + 3 + 5 + 1 + 550 + 5 + 101 = 666.

It is not a de Polignac number, because 13515505101 - 2¹⁰ = 13515504077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13515505109) 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 15 ways as a sum of consecutive naturals, for example, 35755116 + ... + 35755493.

It is an arithmetic number, because the mean of its divisors is an integer number (1430212200).

Almost surely, 2^13515505101 is an apocalyptic number.

It is an amenable number.

13515505101 is a deficient number, since it is larger than the sum of its proper divisors (9367890099).

13515505101 is an equidigital number, since it uses as much as digits as its factorization.

13515505101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71510625 (or 71510619 counting only the distinct ones).

The product of its (nonzero) digits is 1875, while the sum is 27.

The spelling of 13515505101 in words is "thirteen billion, five hundred fifteen million, five hundred five thousand, one hundred one".