11400544541 has 2 divisors, whose sum is σ = 11400544542. Its totient is φ = 11400544540.

The previous prime is 11400544537. The next prime is 11400544577. The reversal of 11400544541 is 14544500411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7392388441 + 4008156100 = 85979^2 + 63310^2 .

It is a cyclic number.

It is not a de Polignac number, because 11400544541 - 2² = 11400544537 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11400544591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5700272270 + 5700272271.

It is an arithmetic number, because the mean of its divisors is an integer number (5700272271).

Almost surely, 2^11400544541 is an apocalyptic number.

It is an amenable number.

11400544541 is a deficient number, since it is larger than the sum of its proper divisors (1).

11400544541 is an equidigital number, since it uses as much as digits as its factorization.

11400544541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6400, while the sum is 29.

The spelling of 11400544541 in words is "eleven billion, four hundred million, five hundred forty-four thousand, five hundred forty-one".