11065511740 has 24 divisors (see below), whose sum is σ = 23731993152. Its totient is φ = 4332029760.

The previous prime is 11065511731. The next prime is 11065511747. The reversal of 11065511740 is 4711556011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11065511747) 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, 5884971 + ... + 5886850.

It is an arithmetic number, because the mean of its divisors is an integer number (988833048).

Almost surely, 2^11065511740 is an apocalyptic number.

11065511740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11065511740 is an abundant number, since it is smaller than the sum of its proper divisors (12666481412).

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

11065511740 is a wasteful number, since it uses less digits than its factorization.

11065511740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11771877 (or 11771875 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 31.

The spelling of 11065511740 in words is "eleven billion, sixty-five million, five hundred eleven thousand, seven hundred forty".