11571541103 has 2 divisors, whose sum is σ = 11571541104. Its totient is φ = 11571541102.

The previous prime is 11571541067. The next prime is 11571541369. The reversal of 11571541103 is 30114517511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11571541103 - 2⁸ = 11571540847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11571501103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5785770551 + 5785770552.

It is an arithmetic number, because the mean of its divisors is an integer number (5785770552).

Almost surely, 2^11571541103 is an apocalyptic number.

11571541103 is a deficient number, since it is larger than the sum of its proper divisors (1).

11571541103 is an equidigital number, since it uses as much as digits as its factorization.

11571541103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 29.

The spelling of 11571541103 in words is "eleven billion, five hundred seventy-one million, five hundred forty-one thousand, one hundred three".