11575213575 has 48 divisors (see below), whose sum is σ = 19452269856. Its totient is φ = 6072768000.

The previous prime is 11575213561. The next prime is 11575213583. The reversal of 11575213575 is 57531257511.

It is not a de Polignac number, because 11575213575 - 2⁸ = 11575213319 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1184409 + ... + 1194141.

It is an arithmetic number, because the mean of its divisors is an integer number (405255622).

Almost surely, 2^11575213575 is an apocalyptic number.

11575213575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11575213575 is a deficient number, since it is larger than the sum of its proper divisors (7877056281).

11575213575 is a wasteful number, since it uses less digits than its factorization.

11575213575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10004 (or 9999 counting only the distinct ones).

The product of its digits is 183750, while the sum is 42.

The spelling of 11575213575 in words is "eleven billion, five hundred seventy-five million, two hundred thirteen thousand, five hundred seventy-five".