11131522005 has 32 divisors (see below), whose sum is σ = 18406932480. Its totient is φ = 5738437440.

The previous prime is 11131521977. The next prime is 11131522013. The reversal of 11131522005 is 50022513111.

It is not a de Polignac number, because 11131522005 - 2⁹ = 11131521493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 387426 + ... + 415164.

It is an arithmetic number, because the mean of its divisors is an integer number (575216640).

Almost surely, 2^11131522005 is an apocalyptic number.

11131522005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11131522005 is a deficient number, since it is larger than the sum of its proper divisors (7275410475).

11131522005 is a wasteful number, since it uses less digits than its factorization.

11131522005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28641.

The product of its (nonzero) digits is 300, while the sum is 21.

The spelling of 11131522005 in words is "eleven billion, one hundred thirty-one million, five hundred twenty-two thousand, five".