254552245505 has 16 divisors (see below), whose sum is σ = 319463256960. Its totient is φ = 194348064768.

The previous prime is 254552245489. The next prime is 254552245511. The reversal of 254552245505 is 505542255452.

It is a cyclic number.

It is not a de Polignac number, because 254552245505 - 2⁴ = 254552245489 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2447360 + ... + 2549249.

It is an arithmetic number, because the mean of its divisors is an integer number (19966453560).

Almost surely, 2^254552245505 is an apocalyptic number.

It is an amenable number.

254552245505 is a deficient number, since it is larger than the sum of its proper divisors (64911011455).

254552245505 is a wasteful number, since it uses less digits than its factorization.

254552245505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4997080.

The product of its (nonzero) digits is 2000000, while the sum is 44.

The spelling of 254552245505 in words is "two hundred fifty-four billion, five hundred fifty-two million, two hundred forty-five thousand, five hundred five".