11100012541 has 2 divisors, whose sum is σ = 11100012542. Its totient is φ = 11100012540.

The previous prime is 11100012499. The next prime is 11100012563. The reversal of 11100012541 is 14521000111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11098622500 + 1390041 = 105350^2 + 1179^2 .

It is a cyclic number.

It is not a de Polignac number, because 11100012541 - 2⁹ = 11100012029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11100022541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550006270 + 5550006271.

It is an arithmetic number, because the mean of its divisors is an integer number (5550006271).

Almost surely, 2^11100012541 is an apocalyptic number.

It is an amenable number.

11100012541 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100012541 is an equidigital number, since it uses as much as digits as its factorization.

11100012541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 11100012541 its reverse (14521000111), we get a palindrome (25621012652).

The spelling of 11100012541 in words is "eleven billion, one hundred million, twelve thousand, five hundred forty-one".