1255045415 has 16 divisors (see below), whose sum is σ = 1648498656. Its totient is φ = 911606400.

The previous prime is 1255045411. The next prime is 1255045453. The reversal of 1255045415 is 5145405521.

It is not a de Polignac number, because 1255045415 - 2² = 1255045411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255045411) by changing a digit.

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, 154301 + ... + 162230.

It is an arithmetic number, because the mean of its divisors is an integer number (103031166).

Almost surely, 2^1255045415 is an apocalyptic number.

1255045415 is a deficient number, since it is larger than the sum of its proper divisors (393453241).

1255045415 is a wasteful number, since it uses less digits than its factorization.

1255045415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316610.

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 1255045415 is about 35426.6201464379. The cubic root of 1255045415 is about 1078.6647349905.

The spelling of 1255045415 in words is "one billion, two hundred fifty-five million, forty-five thousand, four hundred fifteen".