43552153221451 has 12 divisors (see below), whose sum is σ = 50690378374320. Its totient is φ = 37310028976080.

The previous prime is 43552153221397. The next prime is 43552153221481. The reversal of 43552153221451 is 15412235125534.

It is not a de Polignac number, because 43552153221451 - 2³¹ = 43550005737803 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43552153221398 and 43552153221407.

It is not an unprimeable number, because it can be changed into a prime (43552153221481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242624496 + ... + 242803933.

It is an arithmetic number, because the mean of its divisors is an integer number (4224198197860).

Almost surely, 2^{43552153221451} is an apocalyptic number.

43552153221451 is a deficient number, since it is larger than the sum of its proper divisors (7138225152869).

43552153221451 is a wasteful number, since it uses less digits than its factorization.

43552153221451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485430274 (or 485430267 counting only the distinct ones).

The product of its digits is 720000, while the sum is 43.

Adding to 43552153221451 its reverse (15412235125534), we get a palindrome (58964388346985).

The spelling of 43552153221451 in words is "forty-three trillion, five hundred fifty-two billion, one hundred fifty-three million, two hundred twenty-one thousand, four hundred fifty-one".