194111356026 has 128 divisors (see below), whose sum is σ = 470425190400. Its totient is φ = 52224238080.

The previous prime is 194111356013. The next prime is 194111356027. The reversal of 194111356026 is 620653111491.

It is not an unprimeable number, because it can be changed into a prime (194111356027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15053790 + ... + 15066678.

It is an arithmetic number, because the mean of its divisors is an integer number (3675196800).

Almost surely, 2^194111356026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194111356026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235212595200).

194111356026 is an abundant number, since it is smaller than the sum of its proper divisors (276313834374).

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

194111356026 is a wasteful number, since it uses less digits than its factorization.

194111356026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13244.

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 194111356026 in words is "one hundred ninety-four billion, one hundred eleven million, three hundred fifty-six thousand, twenty-six".