4251205504554 has 16 divisors (see below), whose sum is σ = 8504389746048. Its totient is φ = 1416738712032.

The previous prime is 4251205504549. The next prime is 4251205504639. The reversal of 4251205504554 is 4554055021524.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82419442 + ... + 82471005.

It is an arithmetic number, because the mean of its divisors is an integer number (531524359128).

Almost surely, 2^{4251205504554} is an apocalyptic number.

4251205504554 is an abundant number, since it is smaller than the sum of its proper divisors (4253184241494).

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

4251205504554 is a wasteful number, since it uses less digits than its factorization.

4251205504554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164894749.

The product of its (nonzero) digits is 800000, while the sum is 42.

The spelling of 4251205504554 in words is "four trillion, two hundred fifty-one billion, two hundred five million, five hundred four thousand, five hundred fifty-four".