1045532100522 has 256 divisors, whose sum is σ = 2855824957440. Its totient is φ = 247163609088.

The previous prime is 1045532100467. The next prime is 1045532100589. The reversal of 1045532100522 is 2250012355401.

It is a self number, because there is not a number n which added to its sum of digits gives 1045532100522.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 49731729 + ... + 49752747.

It is an arithmetic number, because the mean of its divisors is an integer number (11155566240).

Almost surely, 2^{1045532100522} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1045532100522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1427912478720).

1045532100522 is an abundant number, since it is smaller than the sum of its proper divisors (1810292856918).

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

1045532100522 is a wasteful number, since it uses less digits than its factorization.

1045532100522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21317.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 1045532100522 its reverse (2250012355401), we get a palindrome (3295544455923).

The spelling of 1045532100522 in words is "one trillion, forty-five billion, five hundred thirty-two million, one hundred thousand, five hundred twenty-two".