32151220361452 has 48 divisors (see below), whose sum is σ = 64732707809280. Its totient is φ = 13871294496000.

The previous prime is 32151220361441. The next prime is 32151220361479. The reversal of 32151220361452 is 25416302215123.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401328424 + ... + 401408527.

It is an arithmetic number, because the mean of its divisors is an integer number (1348598079360).

Almost surely, 2^{32151220361452} is an apocalyptic number.

It is an amenable number.

32151220361452 is an abundant number, since it is smaller than the sum of its proper divisors (32581487447828).

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

32151220361452 is a wasteful number, since it uses less digits than its factorization.

32151220361452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802737022 (or 802737020 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 32151220361452 its reverse (25416302215123), we get a palindrome (57567522576575).

The spelling of 32151220361452 in words is "thirty-two trillion, one hundred fifty-one billion, two hundred twenty million, three hundred sixty-one thousand, four hundred fifty-two".