452201515181 has 8 divisors (see below), whose sum is σ = 502695481344. Its totient is φ = 403951725360.

The previous prime is 452201515169. The next prime is 452201515217. The reversal of 452201515181 is 181515102254.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 452201515181 - 2¹⁸ = 452201253037 is a prime.

It is a super-2 number, since 2×452201515181² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452201515481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561043661 + ... + 561044466.

It is an arithmetic number, because the mean of its divisors is an integer number (62836935168).

Almost surely, 2^452201515181 is an apocalyptic number.

It is an amenable number.

452201515181 is a deficient number, since it is larger than the sum of its proper divisors (50493966163).

452201515181 is a wasteful number, since it uses less digits than its factorization.

452201515181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122088171.

The product of its (nonzero) digits is 16000, while the sum is 35.

The spelling of 452201515181 in words is "four hundred fifty-two billion, two hundred one million, five hundred fifteen thousand, one hundred eighty-one".