1001321451143 has 16 divisors (see below), whose sum is σ = 1080779115360. Its totient is φ = 922213264896.

The previous prime is 1001321451139. The next prime is 1001321451149. The reversal of 1001321451143 is 3411541231001.

1001321451143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1001321451143 - 2² = 1001321451139 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 (1001321451149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12866996 + ... + 12944582.

It is an arithmetic number, because the mean of its divisors is an integer number (67548694710).

Almost surely, 2^{1001321451143} is an apocalyptic number.

1001321451143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1001321451143 is a deficient number, since it is larger than the sum of its proper divisors (79457664217).

1001321451143 is a wasteful number, since it uses less digits than its factorization.

1001321451143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79826.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 1001321451143 its reverse (3411541231001), we get a palindrome (4412862682144).

The spelling of 1001321451143 in words is "one trillion, one billion, three hundred twenty-one million, four hundred fifty-one thousand, one hundred forty-three".