2111534412 has 96 divisors (see below), whose sum is σ = 5594598912. Its totient is φ = 614946816.

The previous prime is 2111534371. The next prime is 2111534443. The reversal of 2111534412 is 2144351112.

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, 345003 + ... + 351069.

It is an arithmetic number, because the mean of its divisors is an integer number (58277072).

Almost surely, 2^2111534412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2111534412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2797299456).

2111534412 is an abundant number, since it is smaller than the sum of its proper divisors (3483064500).

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

2111534412 is a wasteful number, since it uses less digits than its factorization.

2111534412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6207 (or 6205 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 2111534412 is about 45951.4353638708. The cubic root of 2111534412 is about 1282.9194454298.

Adding to 2111534412 its reverse (2144351112), we get a palindrome (4255885524).

The spelling of 2111534412 in words is "two billion, one hundred eleven million, five hundred thirty-four thousand, four hundred twelve".