1144451161255 has 16 divisors (see below), whose sum is σ = 1479241653120. Its totient is φ = 847202031648.

The previous prime is 1144451161241. The next prime is 1144451161277. The reversal of 1144451161255 is 5521611544411.

It is a cyclic number.

It is not a de Polignac number, because 1144451161255 - 2¹³ = 1144451153063 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140075617 + ... + 140083786.

It is an arithmetic number, because the mean of its divisors is an integer number (92452603320).

Almost surely, 2^{1144451161255} is an apocalyptic number.

1144451161255 is a deficient number, since it is larger than the sum of its proper divisors (334790491865).

1144451161255 is a wasteful number, since it uses less digits than its factorization.

1144451161255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280159470.

The product of its digits is 96000, while the sum is 40.

The spelling of 1144451161255 in words is "one trillion, one hundred forty-four billion, four hundred fifty-one million, one hundred sixty-one thousand, two hundred fifty-five".