11143432001000 has 64 divisors (see below), whose sum is σ = 28081448675280. Its totient is φ = 4114497964800.

The previous prime is 11143432000999. The next prime is 11143432001027. The reversal of 11143432001000 is 10023434111.

It can be written as a sum of positive squares in 8 ways, for example, as 1107499454884 + 10035932546116 = 1052378^2 + 3167954^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428580539 + ... + 428606538.

Almost surely, 2^{11143432001000} is an apocalyptic number.

11143432001000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11143432001000 is an abundant number, since it is smaller than the sum of its proper divisors (16938016674280).

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

11143432001000 is a wasteful number, since it uses less digits than its factorization.

11143432001000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857187111 (or 857187097 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11143432001000 its reverse (10023434111), we get a palindrome (11153455435111).

The spelling of 11143432001000 in words is "eleven trillion, one hundred forty-three billion, four hundred thirty-two million, one thousand".