223506525661151 has 2 divisors, whose sum is σ = 223506525661152. Its totient is φ = 223506525661150.

The previous prime is 223506525661117. The next prime is 223506525661171. The reversal of 223506525661151 is 151166525605322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223506525661151 - 2³⁴ = 223489345791967 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 223506525661151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223506525661171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111753262830575 + 111753262830576.

It is an arithmetic number, because the mean of its divisors is an integer number (111753262830576).

Almost surely, 2^{223506525661151} is an apocalyptic number.

223506525661151 is a deficient number, since it is larger than the sum of its proper divisors (1).

223506525661151 is an equidigital number, since it uses as much as digits as its factorization.

223506525661151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240000, while the sum is 50.

The spelling of 223506525661151 in words is "two hundred twenty-three trillion, five hundred six billion, five hundred twenty-five million, six hundred sixty-one thousand, one hundred fifty-one".