255542511 has 16 divisors (see below), whose sum is σ = 396000000. Its totient is φ = 143548608.

The previous prime is 255542503. The next prime is 255542531. The reversal of 255542511 is 115245552.

It is not a de Polignac number, because 255542511 - 2³ = 255542503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255542531) 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, 101886 + ... + 104363.

It is an arithmetic number, because the mean of its divisors is an integer number (24750000).

Almost surely, 2^255542511 is an apocalyptic number.

255542511 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

255542511 is a deficient number, since it is larger than the sum of its proper divisors (140457489).

255542511 is a wasteful number, since it uses less digits than its factorization.

255542511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206318.

The product of its digits is 10000, while the sum is 30.

The square root of 255542511 is about 15985.6970758238. The cubic root of 255542511 is about 634.5819564383.

The spelling of 255542511 in words is "two hundred fifty-five million, five hundred forty-two thousand, five hundred eleven".