2151112450 has 24 divisors (see below), whose sum is σ = 4086202752. Its totient is φ = 842136720.

The previous prime is 2151112433. The next prime is 2151112463. The reversal of 2151112450 is 542111512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 455334 + ... + 460033.

It is an arithmetic number, because the mean of its divisors is an integer number (170258448).

Almost surely, 2^2151112450 is an apocalyptic number.

2151112450 is a deficient number, since it is larger than the sum of its proper divisors (1935090302).

2151112450 is a wasteful number, since it uses less digits than its factorization.

2151112450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915426 (or 915421 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 2151112450 is about 46380.0867830150. The cubic root of 2151112450 is about 1290.8854466208.

Adding to 2151112450 its reverse (542111512), we get a palindrome (2693223962).

The spelling of 2151112450 in words is "two billion, one hundred fifty-one million, one hundred twelve thousand, four hundred fifty".