4455247071755 has 4 divisors (see below), whose sum is σ = 5346296486112. Its totient is φ = 3564197657400.

The previous prime is 4455247071749. The next prime is 4455247071757. The reversal of 4455247071755 is 5571707425544.

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

It is a de Polignac number, because none of the positive numbers 2^k-4455247071755 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4455247071755.

It is not an unprimeable number, because it can be changed into a prime (4455247071757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445524707171 + ... + 445524707180.

It is an arithmetic number, because the mean of its divisors is an integer number (1336574121528).

Almost surely, 2^{4455247071755} is an apocalyptic number.

4455247071755 is a deficient number, since it is larger than the sum of its proper divisors (891049414357).

4455247071755 is an equidigital number, since it uses as much as digits as its factorization.

4455247071755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891049414356.

The product of its (nonzero) digits is 27440000, while the sum is 56.

The spelling of 4455247071755 in words is "four trillion, four hundred fifty-five billion, two hundred forty-seven million, seventy-one thousand, seven hundred fifty-five".