11010001005 has 64 divisors (see below), whose sum is σ = 20236043520. Its totient is φ = 5676023808.

The previous prime is 11010000997. The next prime is 11010001007. The reversal of 11010001005 is 50010001011.

It is not a de Polignac number, because 11010001005 - 2³ = 11010000997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010001007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 553309 + ... + 572861.

It is an arithmetic number, because the mean of its divisors is an integer number (316188180).

Almost surely, 2^11010001005 is an apocalyptic number.

11010001005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11010001005 is a deficient number, since it is larger than the sum of its proper divisors (9226042515).

11010001005 is a wasteful number, since it uses less digits than its factorization.

11010001005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19707 (or 19701 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 9.

Adding to 11010001005 its reverse (50010001011), we get a palindrome (61020002016).

The spelling of 11010001005 in words is "eleven billion, ten million, one thousand, five".