4131451152512 has 64 divisors (see below), whose sum is σ = 8317482469560. Its totient is φ = 2043987886080.

The previous prime is 4131451152497. The next prime is 4131451152539. The reversal of 4131451152512 is 2152511541314.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1844750702656 + 2286700449856 = 1358216^2 + 1512184^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8336312 + ... + 8817992.

Almost surely, 2^{4131451152512} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4131451152512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4158741234780).

4131451152512 is an abundant number, since it is smaller than the sum of its proper divisors (4186031317048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4131451152512 is a wasteful number, since it uses less digits than its factorization.

4131451152512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482401 (or 482389 counting only the distinct ones).

The product of its digits is 24000, while the sum is 35.

Adding to 4131451152512 its reverse (2152511541314), we get a palindrome (6283962693826).

The spelling of 4131451152512 in words is "four trillion, one hundred thirty-one billion, four hundred fifty-one million, one hundred fifty-two thousand, five hundred twelve".