1256026341356 has 6 divisors (see below), whose sum is σ = 2198046097380. Its totient is φ = 628013170676.

The previous prime is 1256026341277. The next prime is 1256026341371. The reversal of 1256026341356 is 6531436206521.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157003292666 + ... + 157003292673.

It is an arithmetic number, because the mean of its divisors is an integer number (366341016230).

Almost surely, 2^{1256026341356} is an apocalyptic number.

It is an amenable number.

1256026341356 is a deficient number, since it is larger than the sum of its proper divisors (942019756024).

1256026341356 is a wasteful number, since it uses less digits than its factorization.

1256026341356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314006585343 (or 314006585341 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 1256026341356 in words is "one trillion, two hundred fifty-six billion, twenty-six million, three hundred forty-one thousand, three hundred fifty-six".