224561611261531 has 2 divisors, whose sum is σ = 224561611261532. Its totient is φ = 224561611261530.

The previous prime is 224561611261529. The next prime is 224561611261567. The reversal of 224561611261531 is 135162116165422.

224561611261531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 224561611261531 - 2¹ = 224561611261529 is a prime.

It is a super-2 number, since 2×224561611261531² (a number of 30 digits) contains 22 as substring.

Together with 224561611261529, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (224561611261231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112280805630765 + 112280805630766.

It is an arithmetic number, because the mean of its divisors is an integer number (112280805630766).

Almost surely, 2^{224561611261531} is an apocalyptic number.

224561611261531 is a deficient number, since it is larger than the sum of its proper divisors (1).

224561611261531 is an equidigital number, since it uses as much as digits as its factorization.

224561611261531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 518400, while the sum is 46.

The spelling of 224561611261531 in words is "two hundred twenty-four trillion, five hundred sixty-one billion, six hundred eleven million, two hundred sixty-one thousand, five hundred thirty-one".