2111634231056 has 60 divisors (see below), whose sum is σ = 4790775781440. Its totient is φ = 898992763200.

The previous prime is 2111634231053. The next prime is 2111634231101. The reversal of 2111634231056 is 6501324361112.

It is not an unprimeable number, because it can be changed into a prime (2111634231053) 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, 8800196 + ... + 9036963.

It is an arithmetic number, because the mean of its divisors is an integer number (79846263024).

Almost surely, 2^{2111634231056} is an apocalyptic number.

It is an amenable number.

2111634231056 is an abundant number, since it is smaller than the sum of its proper divisors (2679141550384).

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

2111634231056 is a wasteful number, since it uses less digits than its factorization.

2111634231056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17837332 (or 17837319 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 2111634231056 its reverse (6501324361112), we get a palindrome (8612958592168).

The spelling of 2111634231056 in words is "two trillion, one hundred eleven billion, six hundred thirty-four million, two hundred thirty-one thousand, fifty-six".