2153511235 has 8 divisors (see below), whose sum is σ = 2584895760. Its totient is φ = 1722354144.

The previous prime is 2153511233. The next prime is 2153511271. The reversal of 2153511235 is 5321153512.

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

It is a cyclic number.

It is not a de Polignac number, because 2153511235 - 2¹ = 2153511233 is a prime.

It is a super-2 number, since 2×2153511235² = 9275221278542450450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2153511233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35280 + ... + 74509.

It is an arithmetic number, because the mean of its divisors is an integer number (323111970).

Almost surely, 2^2153511235 is an apocalyptic number.

2153511235 is a deficient number, since it is larger than the sum of its proper divisors (431384525).

2153511235 is a wasteful number, since it uses less digits than its factorization.

2153511235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113717.

The product of its digits is 4500, while the sum is 28.

The square root of 2153511235 is about 46405.9396521609. The cubic root of 2153511235 is about 1291.3651063941.

Adding to 2153511235 its reverse (5321153512), we get a palindrome (7474664747).

The spelling of 2153511235 in words is "two billion, one hundred fifty-three million, five hundred eleven thousand, two hundred thirty-five".