13531155011 has 16 divisors (see below), whose sum is σ = 15268151808. Its totient is φ = 11884468800.

The previous prime is 13531154953. The next prime is 13531155013. The reversal of 13531155011 is 11055113531.

It is a cyclic number.

It is not a de Polignac number, because 13531155011 - 2²⁶ = 13464046147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13531155013) by changing a digit.

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, 99191 + ... + 192096.

It is an arithmetic number, because the mean of its divisors is an integer number (954259488).

Almost surely, 2^13531155011 is an apocalyptic number.

13531155011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13531155011 is a deficient number, since it is larger than the sum of its proper divisors (1736996797).

13531155011 is a wasteful number, since it uses less digits than its factorization.

13531155011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291442.

The product of its (nonzero) digits is 1125, while the sum is 26.

Adding to 13531155011 its reverse (11055113531), we get a palindrome (24586268542).

The spelling of 13531155011 in words is "thirteen billion, five hundred thirty-one million, one hundred fifty-five thousand, eleven".