11531336146131 has 8 divisors (see below), whose sum is σ = 15375166739920. Its totient is φ = 7687531491552.

The previous prime is 11531336146087. The next prime is 11531336146139. The reversal of 11531336146131 is 13164163313511.

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

It is not a de Polignac number, because 11531336146131 - 2⁹ = 11531336145619 is a prime.

It is a super-2 number, since 2×11531336146131² (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 11531336146131.

It is not an unprimeable number, because it can be changed into a prime (11531336146139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5422660 + ... + 7243473.

It is an arithmetic number, because the mean of its divisors is an integer number (1921895842490).

Almost surely, 2^{11531336146131} is an apocalyptic number.

11531336146131 is a deficient number, since it is larger than the sum of its proper divisors (3843830593789).

11531336146131 is a wasteful number, since it uses less digits than its factorization.

11531336146131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12969605.

The product of its digits is 58320, while the sum is 39.

Adding to 11531336146131 its reverse (13164163313511), we get a palindrome (24695499459642).

The spelling of 11531336146131 in words is "eleven trillion, five hundred thirty-one billion, three hundred thirty-six million, one hundred forty-six thousand, one hundred thirty-one".