11531535188241 has 8 divisors (see below), whose sum is σ = 15375414100960. Its totient is φ = 7687673200512.

The previous prime is 11531535188233. The next prime is 11531535188249. The reversal of 11531535188241 is 14288153513511.

It is an interprime number because it is at equal distance from previous prime (11531535188233) and next prime (11531535188249).

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

It is not a de Polignac number, because 11531535188241 - 2³ = 11531535188233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11531535188249) 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 7 ways as a sum of consecutive naturals, for example, 2545531 + ... + 5435328.

It is an arithmetic number, because the mean of its divisors is an integer number (1921926762620).

Almost surely, 2^{11531535188241} is an apocalyptic number.

It is an amenable number.

11531535188241 is a deficient number, since it is larger than the sum of its proper divisors (3843878912719).

11531535188241 is an equidigital number, since it uses as much as digits as its factorization.

11531535188241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8462495.

The product of its digits is 576000, while the sum is 48.

The spelling of 11531535188241 in words is "eleven trillion, five hundred thirty-one billion, five hundred thirty-five million, one hundred eighty-eight thousand, two hundred forty-one".