4051216121503 has 8 divisors (see below), whose sum is σ = 4114070019360. Its totient is φ = 3988523182560.

The previous prime is 4051216121479. The next prime is 4051216121551. The reversal of 4051216121503 is 3051216121504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4051216121503 - 2⁵ = 4051216121471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4051216121573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40189000 + ... + 40289677.

It is an arithmetic number, because the mean of its divisors is an integer number (514258752420).

Almost surely, 2^{4051216121503} is an apocalyptic number.

4051216121503 is a deficient number, since it is larger than the sum of its proper divisors (62853897857).

4051216121503 is an equidigital number, since it uses as much as digits as its factorization.

4051216121503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80479457.

The product of its (nonzero) digits is 7200, while the sum is 31.

Subtracting from 4051216121503 its reverse (3051216121504), we obtain a palindrome (999999999999).

The spelling of 4051216121503 in words is "four trillion, fifty-one billion, two hundred sixteen million, one hundred twenty-one thousand, five hundred three".