1255701811343 has 16 divisors (see below), whose sum is σ = 1436515799040. Its totient is φ = 1075245381216.

The previous prime is 1255701811337. The next prime is 1255701811379. The reversal of 1255701811343 is 3431181075521.

It is a cyclic number.

It is not a de Polignac number, because 1255701811343 - 2¹⁴ = 1255701794959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1255701811343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255701811843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29867405 + ... + 29909417.

It is an arithmetic number, because the mean of its divisors is an integer number (89782237440).

Almost surely, 2^{1255701811343} is an apocalyptic number.

1255701811343 is a deficient number, since it is larger than the sum of its proper divisors (180813987697).

1255701811343 is a wasteful number, since it uses less digits than its factorization.

1255701811343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46166.

The product of its (nonzero) digits is 100800, while the sum is 41.

Adding to 1255701811343 its reverse (3431181075521), we get a palindrome (4686882886864).

The spelling of 1255701811343 in words is "one trillion, two hundred fifty-five billion, seven hundred one million, eight hundred eleven thousand, three hundred forty-three".