11886269520 has 40 divisors (see below), whose sum is σ = 36847436256. Its totient is φ = 3169671808.

The previous prime is 11886269501. The next prime is 11886269579. The reversal of 11886269520 is 2596268811.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 11886269520.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24762822 + ... + 24763301.

Almost surely, 2^11886269520 is an apocalyptic number.

11886269520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11886269520 is an abundant number, since it is smaller than the sum of its proper divisors (24961166736).

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

11886269520 is a wasteful number, since it uses less digits than its factorization.

11886269520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49526139 (or 49526133 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The spelling of 11886269520 in words is "eleven billion, eight hundred eighty-six million, two hundred sixty-nine thousand, five hundred twenty".