11002540020000 has 240 divisors, whose sum is σ = 36101070859392. Its totient is φ = 2933153920000.

The previous prime is 11002540019963. The next prime is 11002540020029. The reversal of 11002540020000 is 2004520011.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 220595065 + ... + 220644935.

Almost surely, 2^{11002540020000} is an apocalyptic number.

11002540020000 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 11002540020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18050535429696).

11002540020000 is an abundant number, since it is smaller than the sum of its proper divisors (25098530839392).

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

11002540020000 is an equidigital number, since it uses as much as digits as its factorization.

11002540020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53581 (or 53558 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 11002540020000 its reverse (2004520011), we get a palindrome (11004544540011).

The spelling of 11002540020000 in words is "eleven trillion, two billion, five hundred forty million, twenty thousand".