4051216121504 has 12 divisors (see below), whose sum is σ = 7975831739274. Its totient is φ = 2025608060736.

The previous prime is 4051216121479. The next prime is 4051216121551.

It is a happy number.

4051216121504 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 3220660944400 + 830555177104 = 1794620^2 + 911348^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 126600503797 = 4051216121504 / (4 + 0 + 5 + 1 + 2 + 1 + 6 + 1 + 2 + 1 + 5 + 0 + 4).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63300251867 + ... + 63300251930.

Almost surely, 2^{4051216121504} is an apocalyptic number.

It is an amenable number.

4051216121504 is a deficient number, since it is larger than the sum of its proper divisors (3924615617770).

4051216121504 is a wasteful number, since it uses less digits than its factorization.

4051216121504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126600503807 (or 126600503799 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The spelling of 4051216121504 in words is "four trillion, fifty-one billion, two hundred sixteen million, one hundred twenty-one thousand, five hundred four".