2153155487 has 16 divisors (see below), whose sum is σ = 2591880960. Its totient is φ = 1747334592.

The previous prime is 2153155481. The next prime is 2153155517. The reversal of 2153155487 is 7845513512.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2153155487 - 2⁶ = 2153155423 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 (2153155481) 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, 261008 + ... + 269130.

It is an arithmetic number, because the mean of its divisors is an integer number (161992560).

Almost surely, 2^2153155487 is an apocalyptic number.

2153155487 is a deficient number, since it is larger than the sum of its proper divisors (438725473).

2153155487 is a wasteful number, since it uses less digits than its factorization.

2153155487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10142.

The product of its digits is 168000, while the sum is 41.

The square root of 2153155487 is about 46402.1064931324. The cubic root of 2153155487 is about 1291.2939937161.

Adding to 2153155487 its reverse (7845513512), we get a palindrome (9998668999).

The spelling of 2153155487 in words is "two billion, one hundred fifty-three million, one hundred fifty-five thousand, four hundred eighty-seven".