2112358163538 has 64 divisors (see below), whose sum is σ = 4947210309888. Its totient is φ = 588667668480.

The previous prime is 2112358163519. The next prime is 2112358163557. The reversal of 2112358163538 is 8353618532112.

It is an interprime number because it is at equal distance from previous prime (2112358163519) and next prime (2112358163557).

It is a super-2 number, since 2×2112358163538² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7045956 + ... + 7339632.

It is an arithmetic number, because the mean of its divisors is an integer number (77300161092).

Almost surely, 2^{2112358163538} is an apocalyptic number.

2112358163538 is an abundant number, since it is smaller than the sum of its proper divisors (2834852146350).

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

2112358163538 is a wasteful number, since it uses less digits than its factorization.

2112358163538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297907.

The product of its digits is 1036800, while the sum is 48.

The spelling of 2112358163538 in words is "two trillion, one hundred twelve billion, three hundred fifty-eight million, one hundred sixty-three thousand, five hundred thirty-eight".