43241120525551 has 32 divisors (see below), whose sum is σ = 47898132807168. Its totient is φ = 38777507758080.

The previous prime is 43241120525539. The next prime is 43241120525579. The reversal of 43241120525551 is 15552502114234.

It is not a de Polignac number, because 43241120525551 - 2²⁵ = 43241086971119 is a prime.

It is a super-4 number, since 4×43241120525551⁴ (a number of 56 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43241120525951) 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, 1295519775 + ... + 1295553151.

It is an arithmetic number, because the mean of its divisors is an integer number (1496816650224).

Almost surely, 2^{43241120525551} is an apocalyptic number.

43241120525551 is a deficient number, since it is larger than the sum of its proper divisors (4657012281617).

43241120525551 is a wasteful number, since it uses less digits than its factorization.

43241120525551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37411.

The product of its (nonzero) digits is 240000, while the sum is 40.

Adding to 43241120525551 its reverse (15552502114234), we get a palindrome (58793622639785).

The spelling of 43241120525551 in words is "forty-three trillion, two hundred forty-one billion, one hundred twenty million, five hundred twenty-five thousand, five hundred fifty-one".