445222143012511 has 4 divisors (see below), whose sum is σ = 445222417316512. Its totient is φ = 445221868708512.

The previous prime is 445222143012503. The next prime is 445222143012553. The reversal of 445222143012511 is 115210341222544.

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 445222143012511 - 2³ = 445222143012503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445222143012611) 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, 134702775 + ... + 137968408.

It is an arithmetic number, because the mean of its divisors is an integer number (111305604329128).

Almost surely, 2^{445222143012511} is an apocalyptic number.

445222143012511 is a deficient number, since it is larger than the sum of its proper divisors (274304001).

445222143012511 is a wasteful number, since it uses less digits than its factorization.

445222143012511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274304000.

The product of its (nonzero) digits is 76800, while the sum is 37.

The spelling of 445222143012511 in words is "four hundred forty-five trillion, two hundred twenty-two billion, one hundred forty-three million, twelve thousand, five hundred eleven".