2261516135 has 32 divisors (see below), whose sum is σ = 3003825600. Its totient is φ = 1627637760.

The previous prime is 2261516113. The next prime is 2261516167. The reversal of 2261516135 is 5316151622.

It is not a de Polignac number, because 2261516135 - 2¹⁶ = 2261450599 is a prime.

It is a super-2 number, since 2×2261516135² = 10228910457730676450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161327 + ... + 174783.

It is an arithmetic number, because the mean of its divisors is an integer number (93869550).

Almost surely, 2^2261516135 is an apocalyptic number.

2261516135 is a deficient number, since it is larger than the sum of its proper divisors (742309465).

2261516135 is a wasteful number, since it uses less digits than its factorization.

2261516135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13571.

The product of its digits is 10800, while the sum is 32.

The square root of 2261516135 is about 47555.4006922452. The cubic root of 2261516135 is about 1312.6025094236.

Adding to 2261516135 its reverse (5316151622), we get a palindrome (7577667757).

The spelling of 2261516135 in words is "two billion, two hundred sixty-one million, five hundred sixteen thousand, one hundred thirty-five".