2251455672904 has 16 divisors (see below), whose sum is σ = 4221496562220. Its totient is φ = 1125723256320.

The previous prime is 2251455672853. The next prime is 2251455672911. The reversal of 2251455672904 is 4092765541522.

It can be written as a sum of positive squares in 2 ways, for example, as 1374517070404 + 876938602500 = 1172398^2 + 936450^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2464032 + ... + 3251824.

Almost surely, 2^{2251455672904} is an apocalyptic number.

It is an amenable number.

2251455672904 is a deficient number, since it is larger than the sum of its proper divisors (1970040889316).

2251455672904 is a wasteful number, since it uses less digits than its factorization.

2251455672904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145040 (or 1145036 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 52.

The spelling of 2251455672904 in words is "two trillion, two hundred fifty-one billion, four hundred fifty-five million, six hundred seventy-two thousand, nine hundred four".