43206002552161 has 4 divisors (see below), whose sum is σ = 44210793309232. Its totient is φ = 42201211795092.

The previous prime is 43206002552129. The next prime is 43206002552171. The reversal of 43206002552161 is 16125520060234.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43206002552161 - 2⁵ = 43206002552129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43206002552161.

It is not an unprimeable number, because it can be changed into a prime (43206002552171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502395378471 + ... + 502395378556.

It is an arithmetic number, because the mean of its divisors is an integer number (11052698327308).

Almost surely, 2^{43206002552161} is an apocalyptic number.

It is an amenable number.

43206002552161 is a deficient number, since it is larger than the sum of its proper divisors (1004790757071).

43206002552161 is a wasteful number, since it uses less digits than its factorization.

43206002552161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004790757070.

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

The spelling of 43206002552161 in words is "forty-three trillion, two hundred six billion, two million, five hundred fifty-two thousand, one hundred sixty-one".