13111545110215 has 8 divisors (see below), whose sum is σ = 16417934746848. Its totient is φ = 10033182345120.

The previous prime is 13111545110203. The next prime is 13111545110227. The reversal of 13111545110215 is 51201154511131.

It is an interprime number because it is at equal distance from previous prime (13111545110203) and next prime (13111545110227).

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

It is not a de Polignac number, because 13111545110215 - 2⁷ = 13111545110087 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, 57006717756 + ... + 57006717985.

It is an arithmetic number, because the mean of its divisors is an integer number (2052241843356).

Almost surely, 2^{13111545110215} is an apocalyptic number.

13111545110215 is a deficient number, since it is larger than the sum of its proper divisors (3306389636633).

13111545110215 is a wasteful number, since it uses less digits than its factorization.

13111545110215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114013435769.

The product of its (nonzero) digits is 3000, while the sum is 31.

Adding to 13111545110215 its reverse (51201154511131), we get a palindrome (64312699621346).

The spelling of 13111545110215 in words is "thirteen trillion, one hundred eleven billion, five hundred forty-five million, one hundred ten thousand, two hundred fifteen".