4045112135421 has 32 divisors (see below), whose sum is σ = 6223789406208. Its totient is φ = 2289136749120.

The previous prime is 4045112135419. The next prime is 4045112135429. The reversal of 4045112135421 is 1245312115404.

It is not a de Polignac number, because 4045112135421 - 2¹ = 4045112135419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4045112135429) 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, 169930 + ... + 2849403.

It is an arithmetic number, because the mean of its divisors is an integer number (194493418944).

Almost surely, 2^{4045112135421} is an apocalyptic number.

It is an amenable number.

4045112135421 is a deficient number, since it is larger than the sum of its proper divisors (2178677270787).

4045112135421 is a wasteful number, since it uses less digits than its factorization.

4045112135421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3019961.

The product of its (nonzero) digits is 19200, while the sum is 33.

The spelling of 4045112135421 in words is "four trillion, forty-five billion, one hundred twelve million, one hundred thirty-five thousand, four hundred twenty-one".