2256142636305 has 48 divisors (see below), whose sum is σ = 3996792094464. Its totient is φ = 1176807651840.

The previous prime is 2256142636273. The next prime is 2256142636313. The reversal of 2256142636305 is 5036362416522.

2256142636305 is a `hidden beast` number, since 2 + 2 + 5 + 6 + 1 + 4 + 2 + 6 + 3 + 630 + 5 = 666.

It is not a de Polignac number, because 2256142636305 - 2⁵ = 2256142636273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2486622 + ... + 3270408.

It is an arithmetic number, because the mean of its divisors is an integer number (83266501968).

Almost surely, 2^{2256142636305} is an apocalyptic number.

It is an amenable number.

2256142636305 is a deficient number, since it is larger than the sum of its proper divisors (1740649458159).

2256142636305 is a wasteful number, since it uses less digits than its factorization.

2256142636305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785206 (or 785203 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 2256142636305 in words is "two trillion, two hundred fifty-six billion, one hundred forty-two million, six hundred thirty-six thousand, three hundred five".