1148445216522 has 96 divisors (see below), whose sum is σ = 2563035023952. Its totient is φ = 371379520512.

The previous prime is 1148445216511. The next prime is 1148445216553. The reversal of 1148445216522 is 2256125448411.

1148445216522 is a `hidden beast` number, since 1 + 1 + 4 + 8 + 44 + 521 + 65 + 22 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 815641990641 + 332803225881 = 903129^2 + 576891^2 .

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 449136468 + ... + 449139024.

Almost surely, 2^{1148445216522} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1148445216522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1281517511976).

1148445216522 is an abundant number, since it is smaller than the sum of its proper divisors (1414589807430).

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

1148445216522 is a wasteful number, since it uses less digits than its factorization.

1148445216522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4312 (or 4309 counting only the distinct ones).

The product of its digits is 614400, while the sum is 45.

The spelling of 1148445216522 in words is "one trillion, one hundred forty-eight billion, four hundred forty-five million, two hundred sixteen thousand, five hundred twenty-two".