43122451220053 has 4 divisors (see below), whose sum is σ = 43122897031500. Its totient is φ = 43122005408608.

The previous prime is 43122451219987. The next prime is 43122451220077. The reversal of 43122451220053 is 35002215422134.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18034443903204 + 25088007316849 = 4246698^2 + 5008793^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43122451220053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43122451280053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222760600 + ... + 222954097.

It is an arithmetic number, because the mean of its divisors is an integer number (10780724257875).

Almost surely, 2^{43122451220053} is an apocalyptic number.

It is an amenable number.

43122451220053 is a deficient number, since it is larger than the sum of its proper divisors (445811447).

43122451220053 is an equidigital number, since it uses as much as digits as its factorization.

43122451220053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445811446.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 43122451220053 its reverse (35002215422134), we get a palindrome (78124666642187).

The spelling of 43122451220053 in words is "forty-three trillion, one hundred twenty-two billion, four hundred fifty-one million, two hundred twenty thousand, fifty-three".