43120640010553 has 32 divisors (see below), whose sum is σ = 49805115982848. Its totient is φ = 36569437632000.

The previous prime is 43120640010529. The next prime is 43120640010587. The reversal of 43120640010553 is 35501004602134.

It is a de Polignac number, because none of the positive numbers 2^k-43120640010553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43180640010553) 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, 459166903 + ... + 459260803.

It is an arithmetic number, because the mean of its divisors is an integer number (1556409874464).

Almost surely, 2^{43120640010553} is an apocalyptic number.

It is an amenable number.

43120640010553 is a deficient number, since it is larger than the sum of its proper divisors (6684475972295).

43120640010553 is a wasteful number, since it uses less digits than its factorization.

43120640010553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95833.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 43120640010553 its reverse (35501004602134), we get a palindrome (78621644612687).

The spelling of 43120640010553 in words is "forty-three trillion, one hundred twenty billion, six hundred forty million, ten thousand, five hundred fifty-three".