43550153212551 has 16 divisors (see below), whose sum is σ = 59417678812800. Its totient is φ = 28358040987360.

The previous prime is 43550153212471. The next prime is 43550153212609. The reversal of 43550153212551 is 15521235105534.

It is not a de Polignac number, because 43550153212551 - 2³⁴ = 43532973343367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43550153212051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18619981 + ... + 20827961.

It is an arithmetic number, because the mean of its divisors is an integer number (3713604925800).

Almost surely, 2^{43550153212551} is an apocalyptic number.

43550153212551 is a deficient number, since it is larger than the sum of its proper divisors (15867525600249).

43550153212551 is a wasteful number, since it uses less digits than its factorization.

43550153212551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360926.

The product of its (nonzero) digits is 450000, while the sum is 42.

The spelling of 43550153212551 in words is "forty-three trillion, five hundred fifty billion, one hundred fifty-three million, two hundred twelve thousand, five hundred fifty-one".