2151350215 has 16 divisors (see below), whose sum is σ = 2951262720. Its totient is φ = 1474791840.

The previous prime is 2151350213. The next prime is 2151350233. The reversal of 2151350215 is 5120531512.

It is not a de Polignac number, because 2151350215 - 2¹ = 2151350213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2151350215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151350213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164176 + ... + 176794.

It is an arithmetic number, because the mean of its divisors is an integer number (184453920).

Almost surely, 2^2151350215 is an apocalyptic number.

2151350215 is a deficient number, since it is larger than the sum of its proper divisors (799912505).

2151350215 is a wasteful number, since it uses less digits than its factorization.

2151350215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17502.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 2151350215 is about 46382.6499350781. The cubic root of 2151350215 is about 1290.9330058996.

Adding to 2151350215 its reverse (5120531512), we get a palindrome (7271881727).

The spelling of 2151350215 in words is "two billion, one hundred fifty-one million, three hundred fifty thousand, two hundred fifteen".