60228815261 has 2 divisors, whose sum is σ = 60228815262. Its totient is φ = 60228815260.

The previous prime is 60228815219. The next prime is 60228815263. The reversal of 60228815261 is 16251882206.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60159825625 + 68989636 = 245275^2 + 8306^2 .

It is a cyclic number.

It is not a de Polignac number, because 60228815261 - 2¹⁸ = 60228553117 is a prime.

Together with 60228815263, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60228815263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30114407630 + 30114407631.

It is an arithmetic number, because the mean of its divisors is an integer number (30114407631).

Almost surely, 2^60228815261 is an apocalyptic number.

It is an amenable number.

60228815261 is a deficient number, since it is larger than the sum of its proper divisors (1).

60228815261 is an equidigital number, since it uses as much as digits as its factorization.

60228815261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 41.

The spelling of 60228815261 in words is "sixty billion, two hundred twenty-eight million, eight hundred fifteen thousand, two hundred sixty-one".