2851612638106 has 32 divisors (see below), whose sum is σ = 4314978901440. Its totient is φ = 1413336397824.

The previous prime is 2851612638101. The next prime is 2851612638139. The reversal of 2851612638106 is 6018362161582.

It is a self number, because there is not a number n which added to its sum of digits gives 2851612638106.

It is not an unprimeable number, because it can be changed into a prime (2851612638101) 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, 275008090 + ... + 275018458.

It is an arithmetic number, because the mean of its divisors is an integer number (134843090670).

Almost surely, 2^{2851612638106} is an apocalyptic number.

2851612638106 is a deficient number, since it is larger than the sum of its proper divisors (1463366263334).

2851612638106 is a wasteful number, since it uses less digits than its factorization.

2851612638106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12670.

The product of its (nonzero) digits is 829440, while the sum is 49.

Adding to 2851612638106 its reverse (6018362161582), we get a palindrome (8869974799688).

The spelling of 2851612638106 in words is "two trillion, eight hundred fifty-one billion, six hundred twelve million, six hundred thirty-eight thousand, one hundred six".