2251551615104 has 32 divisors (see below), whose sum is σ = 4893286893840. Its totient is φ = 1023432551680.

The previous prime is 2251551615083. The next prime is 2251551615121. The reversal of 2251551615104 is 4015161551522.

It is a tau number, because it is divible by the number of its divisors (32).

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, 799555274 + ... + 799558089.

Almost surely, 2^{2251551615104} is an apocalyptic number.

It is an amenable number.

2251551615104 is an abundant number, since it is smaller than the sum of its proper divisors (2641735278736).

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

2251551615104 is a wasteful number, since it uses less digits than its factorization.

2251551615104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599113388 (or 1599113376 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 38.

The spelling of 2251551615104 in words is "two trillion, two hundred fifty-one billion, five hundred fifty-one million, six hundred fifteen thousand, one hundred four".