2251272256026 has 32 divisors (see below), whose sum is σ = 4657923532800. Its totient is φ = 724528902720.

The previous prime is 2251272256003. The next prime is 2251272256031. The reversal of 2251272256026 is 6206522721522.

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, 7764016 + ... + 8048756.

It is an arithmetic number, because the mean of its divisors is an integer number (145560110400).

Almost surely, 2^{2251272256026} is an apocalyptic number.

2251272256026 is an abundant number, since it is smaller than the sum of its proper divisors (2406651276774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2251272256026 is a wasteful number, since it uses less digits than its factorization.

2251272256026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330214.

The product of its (nonzero) digits is 403200, while the sum is 42.

Adding to 2251272256026 its reverse (6206522721522), we get a palindrome (8457794977548).

The spelling of 2251272256026 in words is "two trillion, two hundred fifty-one billion, two hundred seventy-two million, two hundred fifty-six thousand, twenty-six".