1061749288532 has 18 divisors (see below), whose sum is σ = 1893145765518. Its totient is φ = 520850781568.

The previous prime is 1061749288513. The next prime is 1061749288547. The reversal of 1061749288532 is 2358829471601.

It can be written as a sum of positive squares in 3 ways, for example, as 742709581636 + 319039706896 = 861806^2 + 564836^2 .

It is a super-2 number, since 2×1061749288532² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14967644 + ... + 15038412.

It is an arithmetic number, because the mean of its divisors is an integer number (105174764751).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1061749288532 = 2123498577064, but 3⋅1061749288532 = 3185247865596 is not.

Almost surely, 2^{1061749288532} is an apocalyptic number.

It is an amenable number.

1061749288532 is a deficient number, since it is larger than the sum of its proper divisors (831396476986).

1061749288532 is an frugal number, since it uses more digits than its factorization.

1061749288532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141595 (or 70824 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 1061749288532 in words is "one trillion, sixty-one billion, seven hundred forty-nine million, two hundred eighty-eight thousand, five hundred thirty-two".