2151536415 has 16 divisors (see below), whose sum is σ = 3934238208. Its totient is φ = 983559456.

The previous prime is 2151536389. The next prime is 2151536467. The reversal of 2151536415 is 5146351512.

It is not a de Polignac number, because 2151536415 - 2¹¹ = 2151534367 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10245307 + ... + 10245516.

It is an arithmetic number, because the mean of its divisors is an integer number (245889888).

Almost surely, 2^2151536415 is an apocalyptic number.

2151536415 is a deficient number, since it is larger than the sum of its proper divisors (1782701793).

2151536415 is a wasteful number, since it uses less digits than its factorization.

2151536415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20490838.

The product of its digits is 18000, while the sum is 33.

The square root of 2151536415 is about 46384.6571077118. The cubic root of 2151536415 is about 1290.9702483702.

Adding to 2151536415 its reverse (5146351512), we get a palindrome (7297887927).

The spelling of 2151536415 in words is "two billion, one hundred fifty-one million, five hundred thirty-six thousand, four hundred fifteen".