1543213743072 has 96 divisors (see below), whose sum is σ = 4175336761344. Its totient is φ = 498845222400.

The previous prime is 1543213743061. The next prime is 1543213743079. The reversal of 1543213743072 is 2703473123451.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1543213743079) 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, 1440048 + ... + 2271599.

It is an arithmetic number, because the mean of its divisors is an integer number (43493091264).

Almost surely, 2^{1543213743072} is an apocalyptic number.

1543213743072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1543213743072 is an abundant number, since it is smaller than the sum of its proper divisors (2632123018272).

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

1543213743072 is a wasteful number, since it uses less digits than its factorization.

1543213743072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711792 (or 3711784 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 42.

The spelling of 1543213743072 in words is "one trillion, five hundred forty-three billion, two hundred thirteen million, seven hundred forty-three thousand, seventy-two".