13103041521511 has 16 divisors (see below), whose sum is σ = 13732623152640. Its totient is φ = 12478569215200.

The previous prime is 13103041521433. The next prime is 13103041521523. The reversal of 13103041521511 is 11512514030131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13103041521511 - 2¹⁵ = 13103041488743 is a prime.

It is a super-2 number, since 2×13103041521511² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13103041521511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13103041521541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3495861 + ... + 6198961.

It is an arithmetic number, because the mean of its divisors is an integer number (858288947040).

Almost surely, 2^{13103041521511} is an apocalyptic number.

13103041521511 is a deficient number, since it is larger than the sum of its proper divisors (629581631129).

13103041521511 is a wasteful number, since it uses less digits than its factorization.

13103041521511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2704046.

The product of its (nonzero) digits is 1800, while the sum is 28.

Adding to 13103041521511 its reverse (11512514030131), we get a palindrome (24615555551642).

The spelling of 13103041521511 in words is "thirteen trillion, one hundred three billion, forty-one million, five hundred twenty-one thousand, five hundred eleven".