11531476337 has 4 divisors (see below), whose sum is σ = 11531699316. Its totient is φ = 11531253360.

The previous prime is 11531476321. The next prime is 11531476357. The reversal of 11531476337 is 73367413511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 165997456 + 11365478881 = 12884^2 + 106609^2 .

It is a cyclic number.

It is not a de Polignac number, because 11531476337 - 2⁴ = 11531476321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11531476294 and 11531476303.

It is not an unprimeable number, because it can be changed into a prime (11531476357) 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 3 ways as a sum of consecutive naturals, for example, 10787 + ... + 152247.

It is an arithmetic number, because the mean of its divisors is an integer number (2882924829).

Almost surely, 2^11531476337 is an apocalyptic number.

It is an amenable number.

11531476337 is a deficient number, since it is larger than the sum of its proper divisors (222979).

11531476337 is an equidigital number, since it uses as much as digits as its factorization.

11531476337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222978.

The product of its digits is 158760, while the sum is 41.

Adding to 11531476337 its reverse (73367413511), we get a palindrome (84898889848).

The spelling of 11531476337 in words is "eleven billion, five hundred thirty-one million, four hundred seventy-six thousand, three hundred thirty-seven".