190115810486001 has 27 divisors (see below), whose sum is σ = 280581713151051. Its totient is φ = 124045926975504.

The previous prime is 190115810485981. The next prime is 190115810486051. The reversal of 190115810486001 is 100684018511091.

It is a happy number.

The square root of 190115810486001 is 13788249.

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

190115810486001 is a `hidden beast` number, since 1 + 9 + 0 + 1 + 1 + 581 + 0 + 4 + 8 + 60 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 98564211058401 + 91551599427600 = 9927951^2 + 9568260^2 .

It is not a de Polignac number, because 190115810486001 - 2¹¹ = 190115810483953 is a prime.

It is a super-2 number, since 2×190115810486001² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190115810486051) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1944094215 + ... + 1944192003.

Almost surely, 2^{190115810486001} is an apocalyptic number.

190115810486001 is the 13788249-th square number.

190115810486001 is the 6894125-th centered octagonal number.

It is an amenable number.

190115810486001 is a deficient number, since it is larger than the sum of its proper divisors (90465902665050).

190115810486001 is an frugal number, since it uses more digits than its factorization.

190115810486001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195678 (or 97839 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 45.

Adding to 190115810486001 its reverse (100684018511091), we get a palindrome (290799828997092).

The spelling of 190115810486001 in words is "one hundred ninety trillion, one hundred fifteen billion, eight hundred ten million, four hundred eighty-six thousand, one".