11871433353 has 32 divisors (see below), whose sum is σ = 18631130112. Its totient is φ = 6653952000.

The previous prime is 11871433337. The next prime is 11871433363. The reversal of 11871433353 is 35333417811.

It is a happy number.

11871433353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11871433353 - 2⁴ = 11871433337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (11871433363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 268248 + ... + 309353.

It is an arithmetic number, because the mean of its divisors is an integer number (582222816).

Almost surely, 2^11871433353 is an apocalyptic number.

11871433353 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11871433353 is a deficient number, since it is larger than the sum of its proper divisors (6759696759).

11871433353 is a wasteful number, since it uses less digits than its factorization.

11871433353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577665.

The product of its digits is 90720, while the sum is 39.

The spelling of 11871433353 in words is "eleven billion, eight hundred seventy-one million, four hundred thirty-three thousand, three hundred fifty-three".