255534745465 has 16 divisors (see below), whose sum is σ = 307945120896. Its totient is φ = 203559280000.

The previous prime is 255534745409. The next prime is 255534745471. The reversal of 255534745465 is 564547435552.

It is not a de Polignac number, because 255534745465 - 2²¹ = 255532648313 is a prime.

It is a super-2 number, since 2×255534745465² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5086620 + ... + 5136610.

It is an arithmetic number, because the mean of its divisors is an integer number (19246570056).

Almost surely, 2^255534745465 is an apocalyptic number.

It is an amenable number.

255534745465 is a deficient number, since it is larger than the sum of its proper divisors (52410375431).

255534745465 is a wasteful number, since it uses less digits than its factorization.

255534745465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54320.

The product of its digits is 50400000, while the sum is 55.

The spelling of 255534745465 in words is "two hundred fifty-five billion, five hundred thirty-four million, seven hundred forty-five thousand, four hundred sixty-five".