1071389905580 has 12 divisors (see below), whose sum is σ = 2249918801760. Its totient is φ = 428555962224.

The previous prime is 1071389905567. The next prime is 1071389905589. The reversal of 1071389905580 is 855099831701.

It is a super-3 number, since 3×1071389905580³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1071389905589) 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, 26784747620 + ... + 26784747659.

It is an arithmetic number, because the mean of its divisors is an integer number (187493233480).

Almost surely, 2^{1071389905580} is an apocalyptic number.

1071389905580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1071389905580 is an abundant number, since it is smaller than the sum of its proper divisors (1178528896180).

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

1071389905580 is a wasteful number, since it uses less digits than its factorization.

1071389905580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53569495288 (or 53569495286 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 56.

The spelling of 1071389905580 in words is "one trillion, seventy-one billion, three hundred eighty-nine million, nine hundred five thousand, five hundred eighty".