4405121513253 has 12 divisors (see below), whose sum is σ = 6598618234208. Its totient is φ = 2936747675340.

The previous prime is 4405121513231. The next prime is 4405121513263. The reversal of 4405121513253 is 3523151215044.

4405121513253 is a `hidden beast` number, since 4 + 4 + 0 + 512 + 1 + 5 + 132 + 5 + 3 = 666.

It is not a de Polignac number, because 4405121513253 - 2⁸ = 4405121512997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4405121513203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9064035793 + ... + 9064036278.

Almost surely, 2^{4405121513253} is an apocalyptic number.

It is an amenable number.

4405121513253 is a deficient number, since it is larger than the sum of its proper divisors (2193496720955).

4405121513253 is an equidigital number, since it uses as much as digits as its factorization.

4405121513253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18128072086 (or 18128072074 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 4405121513253 its reverse (3523151215044), we get a palindrome (7928272728297).

The spelling of 4405121513253 in words is "four trillion, four hundred five billion, one hundred twenty-one million, five hundred thirteen thousand, two hundred fifty-three".