11862809358 has 32 divisors (see below), whose sum is σ = 24003188352. Its totient is φ = 3908148000.

The previous prime is 11862809327. The next prime is 11862809381. The reversal of 11862809358 is 85390826811.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11862809358.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328885 + ... + 363167.

It is an arithmetic number, because the mean of its divisors is an integer number (750099636).

Almost surely, 2^11862809358 is an apocalyptic number.

11862809358 is an abundant number, since it is smaller than the sum of its proper divisors (12140378994).

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

11862809358 is a wasteful number, since it uses less digits than its factorization.

11862809358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34960.

The product of its (nonzero) digits is 829440, while the sum is 51.

The spelling of 11862809358 in words is "eleven billion, eight hundred sixty-two million, eight hundred nine thousand, three hundred fifty-eight".