254505320511 has 16 divisors (see below), whose sum is σ = 384677408640. Its totient is φ = 148375571040.

The previous prime is 254505320501. The next prime is 254505320513. The reversal of 254505320511 is 115023505452.

It is not a de Polignac number, because 254505320511 - 2¹³ = 254505312319 is a prime.

It is a super-2 number, since 2×254505320511² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254505320513) 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, 171730245 + ... + 171731726.

It is an arithmetic number, because the mean of its divisors is an integer number (24042338040).

Almost surely, 2^254505320511 is an apocalyptic number.

254505320511 is a deficient number, since it is larger than the sum of its proper divisors (130172088129).

254505320511 is a wasteful number, since it uses less digits than its factorization.

254505320511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343462006.

The product of its (nonzero) digits is 30000, while the sum is 33.

Adding to 254505320511 its reverse (115023505452), we get a palindrome (369528825963).

The spelling of 254505320511 in words is "two hundred fifty-four billion, five hundred five million, three hundred twenty thousand, five hundred eleven".