11043331401655 has 16 divisors (see below), whose sum is σ = 15149427142464. Its totient is φ = 7570426636800.

The previous prime is 11043331401649. The next prime is 11043331401701. The reversal of 11043331401655 is 55610413334011.

It is not a de Polignac number, because 11043331401655 - 2²¹ = 11043329304503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44530146 + ... + 44777455.

It is an arithmetic number, because the mean of its divisors is an integer number (946839196404).

Almost surely, 2^{11043331401655} is an apocalyptic number.

11043331401655 is a deficient number, since it is larger than the sum of its proper divisors (4106095740809).

11043331401655 is an equidigital number, since it uses as much as digits as its factorization.

11043331401655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89311146.

The product of its (nonzero) digits is 64800, while the sum is 37.

Adding to 11043331401655 its reverse (55610413334011), we get a palindrome (66653744735666).

The spelling of 11043331401655 in words is "eleven trillion, forty-three billion, three hundred thirty-one million, four hundred one thousand, six hundred fifty-five".