255101421541 has 4 divisors (see below), whose sum is σ = 270107387532. Its totient is φ = 240095455552.

The previous prime is 255101421527. The next prime is 255101421559. The reversal of 255101421541 is 145124101552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 90147660516 + 164953761025 = 300246^2 + 406145^2 .

It is a cyclic number.

It is not a de Polignac number, because 255101421541 - 2¹³ = 255101413349 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 (255101421521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7502982970 + ... + 7502983003.

It is an arithmetic number, because the mean of its divisors is an integer number (67526846883).

Almost surely, 2^255101421541 is an apocalyptic number.

It is an amenable number.

255101421541 is a deficient number, since it is larger than the sum of its proper divisors (15005965991).

255101421541 is a wasteful number, since it uses less digits than its factorization.

255101421541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15005965990.

The product of its (nonzero) digits is 8000, while the sum is 31.

The spelling of 255101421541 in words is "two hundred fifty-five billion, one hundred one million, four hundred twenty-one thousand, five hundred forty-one".