4152221035521 has 16 divisors (see below), whose sum is σ = 6009109714944. Its totient is φ = 2535093154944.

The previous prime is 4152221035489. The next prime is 4152221035537. The reversal of 4152221035521 is 1255301222514.

It is not a de Polignac number, because 4152221035521 - 2⁵ = 4152221035489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4152221031521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419157276 + ... + 419167181.

It is an arithmetic number, because the mean of its divisors is an integer number (375569357184).

Almost surely, 2^{4152221035521} is an apocalyptic number.

It is an amenable number.

4152221035521 is a deficient number, since it is larger than the sum of its proper divisors (1856888679423).

4152221035521 is a wasteful number, since it uses less digits than its factorization.

4152221035521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838324600.

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 4152221035521 in words is "four trillion, one hundred fifty-two billion, two hundred twenty-one million, thirty-five thousand, five hundred twenty-one".