255115154051 has 4 divisors (see below), whose sum is σ = 256642789872. Its totient is φ = 253587518232.

The previous prime is 255115154029. The next prime is 255115154081. The reversal of 255115154051 is 150451511552.

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

It is a cyclic number.

It is not a de Polignac number, because 255115154051 - 2³⁰ = 254041412227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255115154081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 763817660 + ... + 763817993.

It is an arithmetic number, because the mean of its divisors is an integer number (64160697468).

Almost surely, 2^255115154051 is an apocalyptic number.

255115154051 is a deficient number, since it is larger than the sum of its proper divisors (1527635821).

255115154051 is a wasteful number, since it uses less digits than its factorization.

255115154051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527635820.

The product of its (nonzero) digits is 25000, while the sum is 35.

The spelling of 255115154051 in words is "two hundred fifty-five billion, one hundred fifteen million, one hundred fifty-four thousand, fifty-one".