11111010010000 has 100 divisors (see below), whose sum is σ = 26971112881152. Its totient is φ = 4432798288000.

The previous prime is 11111010009973. The next prime is 11111010010019. The reversal of 11111010010000 is 1001011111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (100).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2379477 + ... + 5280523.

Almost surely, 2^{11111010010000} is an apocalyptic number.

11111010010000 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 11111010010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13485556440576).

11111010010000 is an abundant number, since it is smaller than the sum of its proper divisors (15860102871152).

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

11111010010000 is an equidigital number, since it uses as much as digits as its factorization.

11111010010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2901458 (or 2901437 counting only the distinct ones).

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

Adding to 11111010010000 its reverse (1001011111), we get a palindrome (11112011021111).

The spelling of 11111010010000 in words is "eleven trillion, one hundred eleven billion, ten million, ten thousand".