2151001015 has 8 divisors (see below), whose sum is σ = 2606262048. Its totient is φ = 1704093600.

The previous prime is 2151000989. The next prime is 2151001033. The reversal of 2151001015 is 5101001512.

2151001015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2151001015 - 2¹⁵ = 2150968247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2151001015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2087836 + ... + 2088865.

It is an arithmetic number, because the mean of its divisors is an integer number (325782756).

Almost surely, 2^2151001015 is an apocalyptic number.

2151001015 is a deficient number, since it is larger than the sum of its proper divisors (455261033).

2151001015 is a wasteful number, since it uses less digits than its factorization.

2151001015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4176809.

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

The square root of 2151001015 is about 46378.8854437016. The cubic root of 2151001015 is about 1290.8631554719.

Adding to 2151001015 its reverse (5101001512), we get a palindrome (7252002527).

The spelling of 2151001015 in words is "two billion, one hundred fifty-one million, one thousand, fifteen".