11111101000002 has 48 divisors (see below), whose sum is σ = 24093632751552. Its totient is φ = 3700688696160.

The previous prime is 11111100999989. The next prime is 11111101000003. The reversal of 11111101000002 is 20000010111111.

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

It is not an unprimeable number, because it can be changed into a prime (11111101000003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204420193 + ... + 204474539.

It is an arithmetic number, because the mean of its divisors is an integer number (501950682324).

Almost surely, 2^{11111101000002} is an apocalyptic number.

11111101000002 is an abundant number, since it is smaller than the sum of its proper divisors (12982531751550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11111101000002 is a wasteful number, since it uses less digits than its factorization.

11111101000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63383 (or 63380 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 11111101000002 its reverse (20000010111111), we get a palindrome (31111111111113).

It can be divided in two parts, 1111110 and 1000002, that added together give a palindrome (2111112).

The spelling of 11111101000002 in words is "eleven trillion, one hundred eleven billion, one hundred one million, two", and thus it is an aban number.