1211411448 has 96 divisors (see below), whose sum is σ = 3540285840. Its totient is φ = 372003840.

The previous prime is 1211411431. The next prime is 1211411479. The reversal of 1211411448 is 8441141121.

1211411448 is a `hidden beast` number, since 1 + 211 + 4 + 1 + 1 + 448 = 666.

It is a super-3 number, since 3×1211411448³ (a number of 28 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 645840 + ... + 647712.

Almost surely, 2^1211411448 is an apocalyptic number.

1211411448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1211411448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1770142920).

1211411448 is an abundant number, since it is smaller than the sum of its proper divisors (2328874392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1211411448 is a wasteful number, since it uses less digits than its factorization.

1211411448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2589 (or 2582 counting only the distinct ones).

The product of its digits is 1024, while the sum is 27.

The square root of 1211411448 is about 34805.3364873837. The cubic root of 1211411448 is about 1066.0164124443.

Adding to 1211411448 its reverse (8441141121), we get a palindrome (9652552569).

The spelling of 1211411448 in words is "one billion, two hundred eleven million, four hundred eleven thousand, four hundred forty-eight".