261054227335 has 8 divisors (see below), whose sum is σ = 341743715856. Its totient is φ = 189857619840.

The previous prime is 261054227279. The next prime is 261054227347. The reversal of 261054227335 is 533722450162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 261054227335 - 2⁷ = 261054227207 is a prime.

It is a super-2 number, since 2×261054227335² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2373220194 + ... + 2373220303.

It is an arithmetic number, because the mean of its divisors is an integer number (42717964482).

Almost surely, 2^261054227335 is an apocalyptic number.

261054227335 is a deficient number, since it is larger than the sum of its proper divisors (80689488521).

261054227335 is a wasteful number, since it uses less digits than its factorization.

261054227335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4746440513.

The product of its (nonzero) digits is 302400, while the sum is 40.

Adding to 261054227335 its reverse (533722450162), we get a palindrome (794776677497).

The spelling of 261054227335 in words is "two hundred sixty-one billion, fifty-four million, two hundred twenty-seven thousand, three hundred thirty-five".