11345542665 has 8 divisors (see below), whose sum is σ = 18152868288. Its totient is φ = 6050956080.

The previous prime is 11345542633. The next prime is 11345542667. The reversal of 11345542665 is 56624554311.

11345542665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11345542665 - 2⁵ = 11345542633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11345542667) 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 7 ways as a sum of consecutive naturals, for example, 378184741 + ... + 378184770.

It is an arithmetic number, because the mean of its divisors is an integer number (2269108536).

Almost surely, 2^11345542665 is an apocalyptic number.

11345542665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11345542665 is a deficient number, since it is larger than the sum of its proper divisors (6807325623).

11345542665 is an equidigital number, since it uses as much as digits as its factorization.

11345542665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756369519.

The product of its digits is 432000, while the sum is 42.

The spelling of 11345542665 in words is "eleven billion, three hundred forty-five million, five hundred forty-two thousand, six hundred sixty-five".