426616442111215 has 16 divisors (see below), whose sum is σ = 530958436356096. Its totient is φ = 328718371514400.

The previous prime is 426616442111201. The next prime is 426616442111219. The reversal of 426616442111215 is 512111244616624.

It is a de Polignac number, because none of the positive numbers 2^k-426616442111215 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 (426616442111219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6522157207 + ... + 6522222616.

It is an arithmetic number, because the mean of its divisors is an integer number (33184902272256).

Almost surely, 2^{426616442111215} is an apocalyptic number.

426616442111215 is a deficient number, since it is larger than the sum of its proper divisors (104341994244881).

426616442111215 is a wasteful number, since it uses less digits than its factorization.

426616442111215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13044380070.

The product of its digits is 552960, while the sum is 46.

Adding to 426616442111215 its reverse (512111244616624), we get a palindrome (938727686727839).

The spelling of 426616442111215 in words is "four hundred twenty-six trillion, six hundred sixteen billion, four hundred forty-two million, one hundred eleven thousand, two hundred fifteen".