132543432451 has 4 divisors (see below), whose sum is σ = 139519402600. Its totient is φ = 125567462304.

The previous prime is 132543432433. The next prime is 132543432491. The reversal of 132543432451 is 154234345231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 132543432451 - 2⁵ = 132543432419 is a prime.

It is a super-2 number, since 2×132543432451² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 132543432451.

It is not an unprimeable number, because it can be changed into a prime (132543432431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3487985046 + ... + 3487985083.

It is an arithmetic number, because the mean of its divisors is an integer number (34879850650).

Almost surely, 2^132543432451 is an apocalyptic number.

132543432451 is a deficient number, since it is larger than the sum of its proper divisors (6975970149).

132543432451 is an equidigital number, since it uses as much as digits as its factorization.

132543432451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6975970148.

The product of its digits is 172800, while the sum is 37.

Adding to 132543432451 its reverse (154234345231), we get a palindrome (286777777682).

The spelling of 132543432451 in words is "one hundred thirty-two billion, five hundred forty-three million, four hundred thirty-two thousand, four hundred fifty-one".