11451331014643 has 4 divisors (see below), whose sum is σ = 12332202631168. Its totient is φ = 10570459398120.

The previous prime is 11451331014637. The next prime is 11451331014653. The reversal of 11451331014643 is 34641013315411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11451331014643 - 2⁹ = 11451331014131 is a prime.

It is a super-2 number, since 2×11451331014643² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11451331014653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440435808243 + ... + 440435808268.

It is an arithmetic number, because the mean of its divisors is an integer number (3083050657792).

Almost surely, 2^{11451331014643} is an apocalyptic number.

11451331014643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11451331014643 is a deficient number, since it is larger than the sum of its proper divisors (880871616525).

11451331014643 is an equidigital number, since it uses as much as digits as its factorization.

11451331014643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880871616524.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 11451331014643 in words is "eleven trillion, four hundred fifty-one billion, three hundred thirty-one million, fourteen thousand, six hundred forty-three".