11287946329441 has 4 divisors (see below), whose sum is σ = 11290024763584. Its totient is φ = 11285867895300.

The previous prime is 11287946329421. The next prime is 11287946329501. The reversal of 11287946329441 is 14492364978211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11287946329441 - 2¹⁹ = 11287945805153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11287946329441.

It is not an unprimeable number, because it can be changed into a prime (11287946329421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1039208925 + ... + 1039219786.

It is an arithmetic number, because the mean of its divisors is an integer number (2822506190896).

Almost surely, 2^{11287946329441} is an apocalyptic number.

It is an amenable number.

11287946329441 is a deficient number, since it is larger than the sum of its proper divisors (2078434143).

11287946329441 is an equidigital number, since it uses as much as digits as its factorization.

11287946329441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078434142.

The product of its digits is 20901888, while the sum is 61.

The spelling of 11287946329441 in words is "eleven trillion, two hundred eighty-seven billion, nine hundred forty-six million, three hundred twenty-nine thousand, four hundred forty-one".