10011332505 has 32 divisors (see below), whose sum is σ = 16320205440. Its totient is φ = 5239111680.

The previous prime is 10011332501. The next prime is 10011332531. The reversal of 10011332505 is 50523311001.

It is not a de Polignac number, because 10011332505 - 2² = 10011332501 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10011332501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 370329 + ... + 396441.

It is an arithmetic number, because the mean of its divisors is an integer number (510006420).

Almost surely, 2^10011332505 is an apocalyptic number.

10011332505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10011332505 is a deficient number, since it is larger than the sum of its proper divisors (6308872935).

10011332505 is a wasteful number, since it uses less digits than its factorization.

10011332505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26601.

The product of its (nonzero) digits is 450, while the sum is 21.

Adding to 10011332505 its reverse (50523311001), we get a palindrome (60534643506).

The spelling of 10011332505 in words is "ten billion, eleven million, three hundred thirty-two thousand, five hundred five".