15016001 has 24 divisors (see below), whose sum is σ = 20530944. Its totient is φ = 10795680.

The previous prime is 15015989. The next prime is 15016019. The reversal of 15016001 is 10061051.

It is not a de Polignac number, because 15016001 - 2¹⁴ = 14999617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15016021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5936 + ... + 8078.

It is an arithmetic number, because the mean of its divisors is an integer number (855456).

Almost surely, 2^15016001 is an apocalyptic number.

15016001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

15016001 is a deficient number, since it is larger than the sum of its proper divisors (5514943).

15016001 is a wasteful number, since it uses less digits than its factorization.

15016001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181 (or 2174 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 15016001 is about 3875.0485158253. The cubic root of 15016001 is about 246.7088692907.

Adding to 15016001 its reverse (10061051), we get a palindrome (25077052).

The spelling of 15016001 in words is "fifteen million, sixteen thousand, one".