255534451501 has 4 divisors (see below), whose sum is σ = 292039373152. Its totient is φ = 219029529852.

The previous prime is 255534451463. The next prime is 255534451537. The reversal of 255534451501 is 105154435552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 255534451501 - 2¹¹ = 255534449453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255534451561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18252460815 + ... + 18252460828.

It is an arithmetic number, because the mean of its divisors is an integer number (73009843288).

Almost surely, 2^255534451501 is an apocalyptic number.

It is an amenable number.

255534451501 is a deficient number, since it is larger than the sum of its proper divisors (36504921651).

255534451501 is an equidigital number, since it uses as much as digits as its factorization.

255534451501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36504921650.

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 255534451501 in words is "two hundred fifty-five billion, five hundred thirty-four million, four hundred fifty-one thousand, five hundred one".