201501115 has 8 divisors (see below), whose sum is σ = 242004240. Its totient is φ = 161065632.

The previous prime is 201501103. The next prime is 201501127. The reversal of 201501115 is 511105102.

It is an interprime number because it is at equal distance from previous prime (201501103) and next prime (201501127).

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 201501115 - 2¹⁵ = 201468347 is a prime.

It is a super-3 number, since 3×201501115³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10105 + ... + 22474.

It is an arithmetic number, because the mean of its divisors is an integer number (30250530).

Almost surely, 2^201501115 is an apocalyptic number.

201501115 is a deficient number, since it is larger than the sum of its proper divisors (40503125).

201501115 is a wasteful number, since it uses less digits than its factorization.

201501115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33821.

The product of its (nonzero) digits is 50, while the sum is 16.

The square root of 201501115 is about 14195.1088407240. The cubic root of 201501115 is about 586.2629980009.

Adding to 201501115 its reverse (511105102), we get a palindrome (712606217).

The spelling of 201501115 in words is "two hundred one million, five hundred one thousand, one hundred fifteen".