2111937456 has 40 divisors (see below), whose sum is σ = 5504134320. Its totient is φ = 697747456.

The previous prime is 2111937437. The next prime is 2111937461. The reversal of 2111937456 is 6547391112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189261 + ... + 200108.

It is an arithmetic number, because the mean of its divisors is an integer number (137603358).

Almost surely, 2^2111937456 is an apocalyptic number.

It is an amenable number.

2111937456 is an abundant number, since it is smaller than the sum of its proper divisors (3392196864).

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

2111937456 is a wasteful number, since it uses less digits than its factorization.

2111937456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389493 (or 389487 counting only the distinct ones).

The product of its digits is 45360, while the sum is 39.

The square root of 2111937456 is about 45955.8206977092. The cubic root of 2111937456 is about 1283.0010669726.

The spelling of 2111937456 in words is "two billion, one hundred eleven million, nine hundred thirty-seven thousand, four hundred fifty-six".