1061389138350 has 96 divisors (see below), whose sum is σ = 2659992937056. Its totient is φ = 280057024000.

The previous prime is 1061389138309. The next prime is 1061389138357. The reversal of 1061389138350 is 538319831601.

It is a super-2 number, since 2×1061389138350² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1061389138350.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061389138357) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24779152 + ... + 24821948.

It is an arithmetic number, because the mean of its divisors is an integer number (27708259761).

Almost surely, 2^{1061389138350} is an apocalyptic number.

1061389138350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1061389138350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1329996468528).

1061389138350 is an abundant number, since it is smaller than the sum of its proper divisors (1598603798706).

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

1061389138350 is a wasteful number, since it uses less digits than its factorization.

1061389138350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44550 (or 44545 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The spelling of 1061389138350 in words is "one trillion, sixty-one billion, three hundred eighty-nine million, one hundred thirty-eight thousand, three hundred fifty".