11626531005 has 8 divisors (see below), whose sum is σ = 18602449632. Its totient is φ = 6200816528.

The previous prime is 11626530983. The next prime is 11626531031. The reversal of 11626531005 is 50013562611.

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

It is a cyclic number.

It is not a de Polignac number, because 11626531005 - 2¹⁴ = 11626514621 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387551019 + ... + 387551048.

It is an arithmetic number, because the mean of its divisors is an integer number (2325306204).

Almost surely, 2^11626531005 is an apocalyptic number.

11626531005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11626531005 is a deficient number, since it is larger than the sum of its proper divisors (6975918627).

11626531005 is an equidigital number, since it uses as much as digits as its factorization.

11626531005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775102075.

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 11626531005 in words is "eleven billion, six hundred twenty-six million, five hundred thirty-one thousand, five".