11111011110100 has 72 divisors (see below), whose sum is σ = 26520172350336. Its totient is φ = 4040367628000.

The previous prime is 11111011110077. The next prime is 11111011110103. The reversal of 11111011110100 is 101111011111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111011110103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41606236 + ... + 41872435.

It is an arithmetic number, because the mean of its divisors is an integer number (368335727088).

Almost surely, 2^{11111011110100} is an apocalyptic number.

11111011110100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11111011110100 is an abundant number, since it is smaller than the sum of its proper divisors (15409161240236).

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

11111011110100 is a wasteful number, since it uses less digits than its factorization.

11111011110100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83478718 (or 83478689 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 10.

Adding to 11111011110100 its reverse (101111011111), we get a palindrome (11212122121211).

It can be divided in two parts, 11 and 111011110100, that added together give a palindrome (111011110111).

The spelling of 11111011110100 in words is "eleven trillion, one hundred eleven billion, eleven million, one hundred ten thousand, one hundred".