1061165506104 has 128 divisors (see below), whose sum is σ = 3217564627200. Its totient is φ = 321374148480.

The previous prime is 1061165506099. The next prime is 1061165506111. The reversal of 1061165506104 is 4016055611601.

1061165506104 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1061165506104² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3890667 + ... + 4154469.

It is an arithmetic number, because the mean of its divisors is an integer number (25137223650).

Almost surely, 2^{1061165506104} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1061165506104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1608782313600).

1061165506104 is an abundant number, since it is smaller than the sum of its proper divisors (2156399121096).

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

1061165506104 is a wasteful number, since it uses less digits than its factorization.

1061165506104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265522 (or 265512 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 1061165506104 in words is "one trillion, sixty-one billion, one hundred sixty-five million, five hundred six thousand, one hundred four".