11575971342 has 96 divisors (see below), whose sum is σ = 27551736576. Its totient is φ = 3490905600.

The previous prime is 11575971311. The next prime is 11575971353. The reversal of 11575971342 is 24317957511.

11575971342 is a `hidden beast` number, since 1 + 1 + 5 + 7 + 597 + 13 + 42 = 666.

It is a super-2 number, since 2×11575971342² (a number of 21 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 4466467 + ... + 4469057.

It is an arithmetic number, because the mean of its divisors is an integer number (286997256).

Almost surely, 2^11575971342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11575971342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13775868288).

11575971342 is an abundant number, since it is smaller than the sum of its proper divisors (15975765234).

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

11575971342 is a wasteful number, since it uses less digits than its factorization.

11575971342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2986 (or 2983 counting only the distinct ones).

The product of its digits is 264600, while the sum is 45.

The spelling of 11575971342 in words is "eleven billion, five hundred seventy-five million, nine hundred seventy-one thousand, three hundred forty-two".