1445351518311 has 16 divisors (see below), whose sum is σ = 1928290865280. Its totient is φ = 962990091360.

The previous prime is 1445351518309. The next prime is 1445351518361. The reversal of 1445351518311 is 1138151535441.

It is not a de Polignac number, because 1445351518311 - 2¹ = 1445351518309 is a prime.

It is a super-2 number, since 2×1445351518311² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445351518361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43346916 + ... + 43380246.

It is an arithmetic number, because the mean of its divisors is an integer number (120518179080).

Almost surely, 2^{1445351518311} is an apocalyptic number.

1445351518311 is a deficient number, since it is larger than the sum of its proper divisors (482939346969).

1445351518311 is a wasteful number, since it uses less digits than its factorization.

1445351518311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41566.

The product of its digits is 144000, while the sum is 42.

The spelling of 1445351518311 in words is "one trillion, four hundred forty-five billion, three hundred fifty-one million, five hundred eighteen thousand, three hundred eleven".