5411240221691 has 2 divisors, whose sum is σ = 5411240221692. Its totient is φ = 5411240221690.

The previous prime is 5411240221633. The next prime is 5411240221703. The reversal of 5411240221691 is 1961220421145.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5411240221691 is a prime.

It is not a weakly prime, because it can be changed into another prime (5411240221291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2705620110845 + 2705620110846.

It is an arithmetic number, because the mean of its divisors is an integer number (2705620110846).

Almost surely, 2^{5411240221691} is an apocalyptic number.

5411240221691 is a deficient number, since it is larger than the sum of its proper divisors (1).

5411240221691 is an equidigital number, since it uses as much as digits as its factorization.

5411240221691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 5411240221691 in words is "five trillion, four hundred eleven billion, two hundred forty million, two hundred twenty-one thousand, six hundred ninety-one".