1156165706106 has 128 divisors (see below), whose sum is σ = 2744119710720. Its totient is φ = 359562240000.

The previous prime is 1156165706099. The next prime is 1156165706131. The reversal of 1156165706106 is 6016075616511.

1156165706106 is a `hidden beast` number, since 1 + 1 + 5 + 6 + 16 + 570 + 61 + 0 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 94444146 + ... + 94456386.

It is an arithmetic number, because the mean of its divisors is an integer number (21438435240).

Almost surely, 2^{1156165706106} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1156165706106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1372059855360).

1156165706106 is an abundant number, since it is smaller than the sum of its proper divisors (1587954004614).

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

1156165706106 is a wasteful number, since it uses less digits than its factorization.

1156165706106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13157 (or 13151 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The spelling of 1156165706106 in words is "one trillion, one hundred fifty-six billion, one hundred sixty-five million, seven hundred six thousand, one hundred six".