11111010100000 has 288 divisors, whose sum is σ = 28250951323392. Its totient is φ = 4298985600000.

The previous prime is 11111010099991. The next prime is 11111010100009. The reversal of 11111010100000 is 101011111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11111010099991) and next prime (11111010100009).

It is not an unprimeable number, because it can be changed into a prime (11111010100009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 376285237 + ... + 376314763.

It is an arithmetic number, because the mean of its divisors is an integer number (98093580984).

Almost surely, 2^{11111010100000} is an apocalyptic number.

11111010100000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11111010100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14125475661696).

11111010100000 is an abundant number, since it is smaller than the sum of its proper divisors (17139941223392).

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

11111010100000 is an frugal number, since it uses more digits than its factorization.

11111010100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29686 (or 29658 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 11111010100000 its reverse (101011111), we get a palindrome (11111111111111).

The spelling of 11111010100000 in words is "eleven trillion, one hundred eleven billion, ten million, one hundred thousand".