11001002109975 has 72 divisors (see below), whose sum is σ = 20924987634720. Its totient is φ = 5505685032960.

The previous prime is 11001002109971. The next prime is 11001002109997. The reversal of 11001002109975 is 57990120010011.

It is not a de Polignac number, because 11001002109975 - 2² = 11001002109971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001002109971) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2978155 + ... + 5556204.

It is an arithmetic number, because the mean of its divisors is an integer number (290624828260).

Almost surely, 2^{11001002109975} is an apocalyptic number.

11001002109975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11001002109975 is a deficient number, since it is larger than the sum of its proper divisors (9923985524745).

11001002109975 is a wasteful number, since it uses less digits than its factorization.

11001002109975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8534729 (or 8534721 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 36.

Adding to 11001002109975 its reverse (57990120010011), we get a palindrome (68991122119986).

The spelling of 11001002109975 in words is "eleven trillion, one billion, two million, one hundred nine thousand, nine hundred seventy-five".