2251121040004 has 12 divisors (see below), whose sum is σ = 3939660011728. Its totient is φ = 1125503893800.

The previous prime is 2251121039983. The next prime is 2251121040037. The reversal of 2251121040004 is 4000401211522.

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 3 ways as a sum of consecutive naturals, for example, 14067042 + ... + 14226169.

Almost surely, 2^{2251121040004} is an apocalyptic number.

It is an amenable number.

2251121040004 is a deficient number, since it is larger than the sum of its proper divisors (1688538971724).

2251121040004 is a wasteful number, since it uses less digits than its factorization.

2251121040004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28313106 (or 28313104 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 2251121040004 its reverse (4000401211522), we get a palindrome (6251522251526).

The spelling of 2251121040004 in words is "two trillion, two hundred fifty-one billion, one hundred twenty-one million, forty thousand, four".