11065513240 has 32 divisors (see below), whose sum is σ = 25700549760. Its totient is φ = 4283424000.

The previous prime is 11065513159. The next prime is 11065513241. The reversal of 11065513240 is 4231556011.

It is a junction number, because it is equal to n+sod(n) for n = 11065513199 and 11065513208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11065513241) 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, 4460661 + ... + 4463140.

It is an arithmetic number, because the mean of its divisors is an integer number (803142180).

Almost surely, 2^11065513240 is an apocalyptic number.

11065513240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11065513240 is an abundant number, since it is smaller than the sum of its proper divisors (14635036520).

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

11065513240 is a wasteful number, since it uses less digits than its factorization.

11065513240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8923843 (or 8923839 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 11065513240 in words is "eleven billion, sixty-five million, five hundred thirteen thousand, two hundred forty".