1448020911 has 8 divisors (see below), whose sum is σ = 1931547904. Its totient is φ = 964920600.

The previous prime is 1448020901. The next prime is 1448020933. The reversal of 1448020911 is 1190208441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1448020911 - 2⁵ = 1448020879 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 (1448020901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98665 + ... + 112386.

It is an arithmetic number, because the mean of its divisors is an integer number (241443488).

Almost surely, 2^1448020911 is an apocalyptic number.

1448020911 is a deficient number, since it is larger than the sum of its proper divisors (483526993).

1448020911 is a wasteful number, since it uses less digits than its factorization.

1448020911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213341.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1448020911 is about 38052.8699443288. The cubic root of 1448020911 is about 1131.3360110991.

The spelling of 1448020911 in words is "one billion, four hundred forty-eight million, twenty thousand, nine hundred eleven".