1256082578043 has 8 divisors (see below), whose sum is σ = 1676417104656. Its totient is φ = 836568218400.

The previous prime is 1256082578033. The next prime is 1256082578059. The reversal of 1256082578043 is 3408752806521.

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

It is not a de Polignac number, because 1256082578043 - 2¹² = 1256082573947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1256082578033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205038168 + ... + 205044293.

It is an arithmetic number, because the mean of its divisors is an integer number (209552138082).

Almost surely, 2^{1256082578043} is an apocalyptic number.

1256082578043 is a deficient number, since it is larger than the sum of its proper divisors (420334526613).

1256082578043 is a wasteful number, since it uses less digits than its factorization.

1256082578043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410083485.

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 1256082578043 in words is "one trillion, two hundred fifty-six billion, eighty-two million, five hundred seventy-eight thousand, forty-three".