1533732561732 has 96 divisors (see below), whose sum is σ = 4170865305600. Its totient is φ = 429581578752.

The previous prime is 1533732561731. The next prime is 1533732561749. The reversal of 1533732561732 is 2371652373351.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1533732561731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1348188 + ... + 2210220.

It is an arithmetic number, because the mean of its divisors is an integer number (43446513600).

Almost surely, 2^{1533732561732} is an apocalyptic number.

1533732561732 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 1533732561732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2085432652800).

1533732561732 is an abundant number, since it is smaller than the sum of its proper divisors (2637132743868).

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

1533732561732 is a wasteful number, since it uses less digits than its factorization.

1533732561732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862465 (or 862463 counting only the distinct ones).

The product of its digits is 2381400, while the sum is 48.

The spelling of 1533732561732 in words is "one trillion, five hundred thirty-three billion, seven hundred thirty-two million, five hundred sixty-one thousand, seven hundred thirty-two".