43541224501 has 2 divisors, whose sum is σ = 43541224502. Its totient is φ = 43541224500.

The previous prime is 43541224471. The next prime is 43541224513. The reversal of 43541224501 is 10542214534.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28815402001 + 14725822500 = 169751^2 + 121350^2 .

It is a cyclic number.

It is not a de Polignac number, because 43541224501 - 2⁵ = 43541224469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43541224591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21770612250 + 21770612251.

It is an arithmetic number, because the mean of its divisors is an integer number (21770612251).

Almost surely, 2^43541224501 is an apocalyptic number.

It is an amenable number.

43541224501 is a deficient number, since it is larger than the sum of its proper divisors (1).

43541224501 is an equidigital number, since it uses as much as digits as its factorization.

43541224501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 43541224501 in words is "forty-three billion, five hundred forty-one million, two hundred twenty-four thousand, five hundred one".