11811521282 has 8 divisors (see below), whose sum is σ = 19327943952. Its totient is φ = 5368873300.

The previous prime is 11811521279. The next prime is 11811521303. The reversal of 11811521282 is 28212511811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268443644 + ... + 268443687.

It is an arithmetic number, because the mean of its divisors is an integer number (2415992994).

Almost surely, 2^11811521282 is an apocalyptic number.

11811521282 is a deficient number, since it is larger than the sum of its proper divisors (7516422670).

11811521282 is a wasteful number, since it uses less digits than its factorization.

11811521282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536887344.

The product of its digits is 2560, while the sum is 32.

The spelling of 11811521282 in words is "eleven billion, eight hundred eleven million, five hundred twenty-one thousand, two hundred eighty-two".