11317262820531 has 8 divisors (see below), whose sum is σ = 15440606639040. Its totient is φ = 7369380441192.

The previous prime is 11317262820503. The next prime is 11317262820557. The reversal of 11317262820531 is 13502826271311.

It is a happy number.

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

It is not a de Polignac number, because 11317262820531 - 2¹¹ = 11317262818483 is a prime.

It is a super-2 number, since 2×11317262820531² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11317262824531) 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, 43865359641 + ... + 43865359898.

It is an arithmetic number, because the mean of its divisors is an integer number (1930075829880).

Almost surely, 2^{11317262820531} is an apocalyptic number.

11317262820531 is a deficient number, since it is larger than the sum of its proper divisors (4123343818509).

11317262820531 is an equidigital number, since it uses as much as digits as its factorization.

11317262820531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87730719585.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 11317262820531 in words is "eleven trillion, three hundred seventeen billion, two hundred sixty-two million, eight hundred twenty thousand, five hundred thirty-one".