1255005140434 has 32 divisors (see below), whose sum is σ = 1933783614000. Its totient is φ = 610496732160.

The previous prime is 1255005140429. The next prime is 1255005140461. The reversal of 1255005140434 is 4340415005521.

It can be written as a sum of positive squares in 8 ways, for example, as 1020413124025 + 234592016409 = 1010155^2 + 484347^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1255005140434.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166244092 + ... + 166251640.

Almost surely, 2^{1255005140434} is an apocalyptic number.

1255005140434 is a deficient number, since it is larger than the sum of its proper divisors (678778473566).

1255005140434 is a wasteful number, since it uses less digits than its factorization.

1255005140434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12958.

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 1255005140434 in words is "one trillion, two hundred fifty-five billion, five million, one hundred forty thousand, four hundred thirty-four".