2111869623836 has 96 divisors (see below), whose sum is σ = 4392793036800. Its totient is φ = 869780620800.

The previous prime is 2111869623823. The next prime is 2111869623839. The reversal of 2111869623836 is 6383269681112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111869623839) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13101200 + ... + 13261416.

It is an arithmetic number, because the mean of its divisors is an integer number (45758260800).

Almost surely, 2^{2111869623836} is an apocalyptic number.

It is an amenable number.

2111869623836 is an abundant number, since it is smaller than the sum of its proper divisors (2280923412964).

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

2111869623836 is a wasteful number, since it uses less digits than its factorization.

2111869623836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160467 (or 160465 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 56.

The spelling of 2111869623836 in words is "two trillion, one hundred eleven billion, eight hundred sixty-nine million, six hundred twenty-three thousand, eight hundred thirty-six".