255405051011 has 8 divisors (see below), whose sum is σ = 281496102384. Its totient is φ = 229792734720.

The previous prime is 255405050983. The next prime is 255405051019. The reversal of 255405051011 is 110150504552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255405051011 - 2²⁶ = 255337942147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255405051019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119682650 + ... + 119684783.

It is an arithmetic number, because the mean of its divisors is an integer number (35187012798).

Almost surely, 2^255405051011 is an apocalyptic number.

255405051011 is a deficient number, since it is larger than the sum of its proper divisors (26091051373).

255405051011 is a wasteful number, since it uses less digits than its factorization.

255405051011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239367541.

The product of its (nonzero) digits is 5000, while the sum is 29.

Adding to 255405051011 its reverse (110150504552), we get a palindrome (365555555563).

The spelling of 255405051011 in words is "two hundred fifty-five billion, four hundred five million, fifty-one thousand, eleven".