1144878305907 has 32 divisors (see below), whose sum is σ = 1767394234368. Its totient is φ = 645675574176.

The previous prime is 1144878305873. The next prime is 1144878305933. The reversal of 1144878305907 is 7095038784411.

It is not a de Polignac number, because 1144878305907 - 2²³ = 1144869917299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144878305807) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1379268 + ... + 2047470.

It is an arithmetic number, because the mean of its divisors is an integer number (55231069824).

Almost surely, 2^{1144878305907} is an apocalyptic number.

1144878305907 is a deficient number, since it is larger than the sum of its proper divisors (622515928461).

1144878305907 is an equidigital number, since it uses as much as digits as its factorization.

1144878305907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669279.

The product of its (nonzero) digits is 6773760, while the sum is 57.

The spelling of 1144878305907 in words is "one trillion, one hundred forty-four billion, eight hundred seventy-eight million, three hundred five thousand, nine hundred seven".