11205005140 has 24 divisors (see below), whose sum is σ = 26892012672. Its totient is φ = 3841716000.

The previous prime is 11205005137. The next prime is 11205005143. The reversal of 11205005140 is 4150050211.

It is an interprime number because it is at equal distance from previous prime (11205005137) and next prime (11205005143).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11205005143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40017736 + ... + 40018015.

It is an arithmetic number, because the mean of its divisors is an integer number (1120500528).

Almost surely, 2^11205005140 is an apocalyptic number.

11205005140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11205005140 is an abundant number, since it is smaller than the sum of its proper divisors (15687007532).

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

11205005140 is a wasteful number, since it uses less digits than its factorization.

11205005140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80035767 (or 80035765 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

Adding to 11205005140 its reverse (4150050211), we get a palindrome (15355055351).

The spelling of 11205005140 in words is "eleven billion, two hundred five million, five thousand, one hundred forty".