2255121535 has 8 divisors (see below), whose sum is σ = 2721098016. Its totient is φ = 1794129120.

The previous prime is 2255121511. The next prime is 2255121551. The reversal of 2255121535 is 5351215522.

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

It is a de Polignac number, because none of the positive numbers 2^k-2255121535 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2255121497 and 2255121506.

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, 1245019 + ... + 1246828.

It is an arithmetic number, because the mean of its divisors is an integer number (340137252).

Almost surely, 2^2255121535 is an apocalyptic number.

2255121535 is a deficient number, since it is larger than the sum of its proper divisors (465976481).

2255121535 is a wasteful number, since it uses less digits than its factorization.

2255121535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492033.

The product of its digits is 15000, while the sum is 31.

The square root of 2255121535 is about 47488.1199354112. The cubic root of 2255121535 is about 1311.3641821105.

The spelling of 2255121535 in words is "two billion, two hundred fifty-five million, one hundred twenty-one thousand, five hundred thirty-five".