11926886531 has 8 divisors (see below), whose sum is σ = 13634607360. Its totient is φ = 10220135688.

The previous prime is 11926886423. The next prime is 11926886561. The reversal of 11926886531 is 13568862911.

11926886531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11926886531 - 2¹⁴ = 11926870147 is a prime.

It is a super-2 number, since 2×11926886531² (a number of 21 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 11926886531.

It is not an unprimeable number, because it can be changed into a prime (11926886561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215951 + ... + 265496.

It is an arithmetic number, because the mean of its divisors is an integer number (1704325920).

Almost surely, 2^11926886531 is an apocalyptic number.

11926886531 is a deficient number, since it is larger than the sum of its proper divisors (1707720829).

11926886531 is an equidigital number, since it uses as much as digits as its factorization.

11926886531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484993.

The product of its digits is 622080, while the sum is 50.

The spelling of 11926886531 in words is "eleven billion, nine hundred twenty-six million, eight hundred eighty-six thousand, five hundred thirty-one".