2111454452 has 12 divisors (see below), whose sum is σ = 3700656960. Its totient is φ = 1054123896.

The previous prime is 2111454431. The next prime is 2111454467. The reversal of 2111454452 is 2544541112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397868 + ... + 403139.

It is an arithmetic number, because the mean of its divisors is an integer number (308388080).

Almost surely, 2^2111454452 is an apocalyptic number.

It is an amenable number.

2111454452 is a deficient number, since it is larger than the sum of its proper divisors (1589202508).

2111454452 is a wasteful number, since it uses less digits than its factorization.

2111454452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801670 (or 801668 counting only the distinct ones).

The product of its digits is 6400, while the sum is 29.

The square root of 2111454452 is about 45950.5653066423. The cubic root of 2111454452 is about 1282.9032512768.

Adding to 2111454452 its reverse (2544541112), we get a palindrome (4655995564).

The spelling of 2111454452 in words is "two billion, one hundred eleven million, four hundred fifty-four thousand, four hundred fifty-two".