11152265565 has 32 divisors (see below), whose sum is σ = 20777492736. Its totient is φ = 5001984000.

The previous prime is 11152265563. The next prime is 11152265627. The reversal of 11152265565 is 56556225111.

It is not a de Polignac number, because 11152265565 - 2¹ = 11152265563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11152265563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 996436 + ... + 1007565.

It is an arithmetic number, because the mean of its divisors is an integer number (649296648).

Almost surely, 2^11152265565 is an apocalyptic number.

11152265565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11152265565 is a deficient number, since it is larger than the sum of its proper divisors (9625227171).

11152265565 is a wasteful number, since it uses less digits than its factorization.

11152265565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004069.

The product of its digits is 90000, while the sum is 39.

The spelling of 11152265565 in words is "eleven billion, one hundred fifty-two million, two hundred sixty-five thousand, five hundred sixty-five".