4516556742251 has 4 divisors (see below), whose sum is σ = 4517190474192. Its totient is φ = 4515923010312.

The previous prime is 4516556742241. The next prime is 4516556742281. The reversal of 4516556742251 is 1522476556154.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4516556742251 - 2³⁴ = 4499376873067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4516556742193 and 4516556742202.

It is not an unprimeable number, because it can be changed into a prime (4516556742221) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 316855280 + ... + 316869533.

It is an arithmetic number, because the mean of its divisors is an integer number (1129297618548).

Almost surely, 2^{4516556742251} is an apocalyptic number.

4516556742251 is a deficient number, since it is larger than the sum of its proper divisors (633731941).

4516556742251 is an equidigital number, since it uses as much as digits as its factorization.

4516556742251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633731940.

The product of its digits is 10080000, while the sum is 53.

The spelling of 4516556742251 in words is "four trillion, five hundred sixteen billion, five hundred fifty-six million, seven hundred forty-two thousand, two hundred fifty-one".