6624601115401 has 12 divisors (see below), whose sum is σ = 7208845213500. Its totient is φ = 6082847498240.

The previous prime is 6624601115317. The next prime is 6624601115443. The reversal of 6624601115401 is 1045111064266.

It can be written as a sum of positive squares in 6 ways, for example, as 20420695801 + 6604180419600 = 142901^2 + 2569860^2 .

It is not a de Polignac number, because 6624601115401 - 2⁷ = 6624601115273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6624601112401) 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, 279530776 + ... + 279554473.

It is an arithmetic number, because the mean of its divisors is an integer number (600737101125).

Almost surely, 2^{6624601115401} is an apocalyptic number.

It is an amenable number.

6624601115401 is a deficient number, since it is larger than the sum of its proper divisors (584244098099).

6624601115401 is a wasteful number, since it uses less digits than its factorization.

6624601115401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559085324 (or 559085307 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

Adding to 6624601115401 its reverse (1045111064266), we get a palindrome (7669712179667).

The spelling of 6624601115401 in words is "six trillion, six hundred twenty-four billion, six hundred one million, one hundred fifteen thousand, four hundred one".