255136075622 has 4 divisors (see below), whose sum is σ = 382704113436. Its totient is φ = 127568037810.

The previous prime is 255136075609. The next prime is 255136075673. The reversal of 255136075622 is 226570631552.

It is a semiprime because it is the product of two primes.

It is a super-5 number, since 5×255136075622⁵ (a number of 58 digits) contains 55555 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63784018904 + ... + 63784018907.

It is an arithmetic number, because the mean of its divisors is an integer number (95676028359).

Almost surely, 2^255136075622 is an apocalyptic number.

255136075622 is a deficient number, since it is larger than the sum of its proper divisors (127568037814).

255136075622 is a wasteful number, since it uses less digits than its factorization.

255136075622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127568037813.

The product of its (nonzero) digits is 756000, while the sum is 44.

The spelling of 255136075622 in words is "two hundred fifty-five billion, one hundred thirty-six million, seventy-five thousand, six hundred twenty-two".