194481126031201 has 9 divisors (see below), whose sum is σ = 194587352237649. Its totient is φ = 194374957805364.

The previous prime is 194481126031189. The next prime is 194481126031207. The reversal of 194481126031201 is 102130621184491.

The square root of 194481126031201 is 13945649.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 194481126031201 - 2⁹ = 194481126030689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194481126031207) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 42771303210 + ... + 42771307756.

Almost surely, 2^{194481126031201} is an apocalyptic number.

194481126031201 is the 13945649-th square number.

194481126031201 is the 6972825-th centered octagonal number.

It is an amenable number.

194481126031201 is a deficient number, since it is larger than the sum of its proper divisors (106226206448).

194481126031201 is an frugal number, since it uses more digits than its factorization.

194481126031201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15228 (or 7614 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The spelling of 194481126031201 in words is "one hundred ninety-four trillion, four hundred eighty-one billion, one hundred twenty-six million, thirty-one thousand, two hundred one".