1143469951880 has 96 divisors (see below), whose sum is σ = 2669909088600. Its totient is φ = 440730362880.

The previous prime is 1143469951847. The next prime is 1143469951891. The reversal of 1143469951880 is 881599643411.

It can be written as a sum of positive squares in 4 ways, for example, as 753746930596 + 389723021284 = 868186^2 + 624278^2 .

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, 8892686 + ... + 9020354.

Almost surely, 2^{1143469951880} is an apocalyptic number.

1143469951880 is a gapful number since it is divisible by the number (10) 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 1143469951880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1334954544300).

1143469951880 is an abundant number, since it is smaller than the sum of its proper divisors (1526439136720).

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

1143469951880 is a wasteful number, since it uses less digits than its factorization.

1143469951880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127975 (or 127940 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 59.

The spelling of 1143469951880 in words is "one trillion, one hundred forty-three billion, four hundred sixty-nine million, nine hundred fifty-one thousand, eight hundred eighty".