1411991352 has 112 divisors (see below), whose sum is σ = 4018611240. Its totient is φ = 464833728.

The previous prime is 1411991309. The next prime is 1411991359. The reversal of 1411991352 is 2531991141.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1411991359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 482598 + ... + 485514.

Almost surely, 2^1411991352 is an apocalyptic number.

1411991352 is a gapful number since it is divisible by the number (12) 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 1411991352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2009305620).

1411991352 is an abundant number, since it is smaller than the sum of its proper divisors (2606619888).

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

1411991352 is an equidigital number, since it uses as much as digits as its factorization.

1411991352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3024 (or 3005 counting only the distinct ones).

The product of its digits is 9720, while the sum is 36.

The square root of 1411991352 is about 37576.4733842866. The cubic root of 1411991352 is about 1121.8738169172.

The spelling of 1411991352 in words is "one billion, four hundred eleven million, nine hundred ninety-one thousand, three hundred fifty-two".