2256504643435 has 16 divisors (see below), whose sum is σ = 3105647888832. Its totient is φ = 1541810995200.

The previous prime is 2256504643429. The next prime is 2256504643457. The reversal of 2256504643435 is 5343464056522.

It is not a de Polignac number, because 2256504643435 - 2³ = 2256504643427 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114708246 + ... + 114727915.

It is an arithmetic number, because the mean of its divisors is an integer number (194102993052).

Almost surely, 2^{2256504643435} is an apocalyptic number.

2256504643435 is a deficient number, since it is larger than the sum of its proper divisors (849143245397).

2256504643435 is a wasteful number, since it uses less digits than its factorization.

2256504643435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229436454.

The product of its (nonzero) digits is 10368000, while the sum is 49.

Adding to 2256504643435 its reverse (5343464056522), we get a palindrome (7599968699957).

The spelling of 2256504643435 in words is "two trillion, two hundred fifty-six billion, five hundred four million, six hundred forty-three thousand, four hundred thirty-five".