255136060633 has 2 divisors, whose sum is σ = 255136060634. Its totient is φ = 255136060632.

The previous prime is 255136060609. The next prime is 255136060691. The reversal of 255136060633 is 336060631552.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 250573328329 + 4562732304 = 500573^2 + 67548^2 .

It is a cyclic number.

It is not a de Polignac number, because 255136060633 - 2²¹ = 255133963481 is a prime.

It is not a weakly prime, because it can be changed into another prime (255136064633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127568030316 + 127568030317.

It is an arithmetic number, because the mean of its divisors is an integer number (127568030317).

Almost surely, 2^255136060633 is an apocalyptic number.

It is an amenable number.

255136060633 is a deficient number, since it is larger than the sum of its proper divisors (1).

255136060633 is an equidigital number, since it uses as much as digits as its factorization.

255136060633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 40.

The spelling of 255136060633 in words is "two hundred fifty-five billion, one hundred thirty-six million, sixty thousand, six hundred thirty-three".