43000621554225 has 48 divisors (see below), whose sum is σ = 73065882184640. Its totient is φ = 22298540025600.

The previous prime is 43000621554221. The next prime is 43000621554227. The reversal of 43000621554225 is 52245512600034.

It is not a de Polignac number, because 43000621554225 - 2² = 43000621554221 is a prime.

It is a super-3 number, since 3×43000621554225³ (a number of 42 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (43000621554221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1261666 + ... + 9359115.

Almost surely, 2^{43000621554225} is an apocalyptic number.

It is an amenable number.

43000621554225 is a deficient number, since it is larger than the sum of its proper divisors (30065260630415).

43000621554225 is a wasteful number, since it uses less digits than its factorization.

43000621554225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10622290 (or 10622285 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 43000621554225 in words is "forty-three trillion, six hundred twenty-one million, five hundred fifty-four thousand, two hundred twenty-five".