11323705575 has 288 divisors, whose sum is σ = 25095536640. Its totient is φ = 4398451200.

The previous prime is 11323705553. The next prime is 11323705579. The reversal of 11323705575 is 57550732311.

It is not a de Polignac number, because 11323705575 - 2⁷ = 11323705447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323705579) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 63260836 + ... + 63261014.

It is an arithmetic number, because the mean of its divisors is an integer number (87137280).

Almost surely, 2^11323705575 is an apocalyptic number.

11323705575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11323705575 is an abundant number, since it is smaller than the sum of its proper divisors (13771831065).

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

11323705575 is a wasteful number, since it uses less digits than its factorization.

11323705575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 110250, while the sum is 39.

The spelling of 11323705575 in words is "eleven billion, three hundred twenty-three million, seven hundred five thousand, five hundred seventy-five".