6611552440441 has 16 divisors (see below), whose sum is σ = 7253342145280. Its totient is φ = 5989248371520.

The previous prime is 6611552440439. The next prime is 6611552440501. The reversal of 6611552440441 is 1440442551166.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6611552440441 - 2¹ = 6611552440439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6611552441441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9147765 + ... + 9844018.

It is an arithmetic number, because the mean of its divisors is an integer number (453333884080).

Almost surely, 2^{6611552440441} is an apocalyptic number.

6611552440441 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6611552440441 is a deficient number, since it is larger than the sum of its proper divisors (641789704839).

6611552440441 is a wasteful number, since it uses less digits than its factorization.

6611552440441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18992296.

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 6611552440441 in words is "six trillion, six hundred eleven billion, five hundred fifty-two million, four hundred forty thousand, four hundred forty-one".