255136060663 has 16 divisors (see below), whose sum is σ = 278989022592. Its totient is φ = 231393492000.

The previous prime is 255136060633. The next prime is 255136060691. The reversal of 255136060663 is 366060631552.

It is a de Polignac number, because none of the positive numbers 2^k-255136060663 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 (255136060633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9117273 + ... + 9145213.

It is an arithmetic number, because the mean of its divisors is an integer number (17436813912).

Almost surely, 2^255136060663 is an apocalyptic number.

255136060663 is a deficient number, since it is larger than the sum of its proper divisors (23852961929).

255136060663 is a wasteful number, since it uses less digits than its factorization.

255136060663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29886.

The product of its (nonzero) digits is 583200, while the sum is 43.

The spelling of 255136060663 in words is "two hundred fifty-five billion, one hundred thirty-six million, sixty thousand, six hundred sixty-three".