2115015151 has 4 divisors (see below), whose sum is σ = 2115148672. Its totient is φ = 2114881632.

The previous prime is 2115015131. The next prime is 2115015223. The reversal of 2115015151 is 1515105112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2115015151 - 2¹⁹ = 2114490863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115015121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39210 + ... + 75943.

It is an arithmetic number, because the mean of its divisors is an integer number (528787168).

Almost surely, 2^2115015151 is an apocalyptic number.

2115015151 is a deficient number, since it is larger than the sum of its proper divisors (133521).

2115015151 is a wasteful number, since it uses less digits than its factorization.

2115015151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133520.

The product of its (nonzero) digits is 250, while the sum is 22.

The square root of 2115015151 is about 45989.2938736833. The cubic root of 2115015151 is about 1283.6239972569.

The spelling of 2115015151 in words is "two billion, one hundred fifteen million, fifteen thousand, one hundred fifty-one".