11953577575 has 12 divisors (see below), whose sum is σ = 14880119040. Its totient is φ = 9525647360.

The previous prime is 11953577563. The next prime is 11953577621. The reversal of 11953577575 is 57577535911.

It is not a de Polignac number, because 11953577575 - 2²¹ = 11951480423 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 923815 + ... + 936664.

It is an arithmetic number, because the mean of its divisors is an integer number (1240009920).

Almost surely, 2^11953577575 is an apocalyptic number.

11953577575 is a deficient number, since it is larger than the sum of its proper divisors (2926541465).

11953577575 is a wasteful number, since it uses less digits than its factorization.

11953577575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860746 (or 1860741 counting only the distinct ones).

The product of its digits is 5788125, while the sum is 55.

The spelling of 11953577575 in words is "eleven billion, nine hundred fifty-three million, five hundred seventy-seven thousand, five hundred seventy-five".