2115353553 has 8 divisors (see below), whose sum is σ = 2820719808. Its totient is φ = 1410111504.

The previous prime is 2115353551. The next prime is 2115353557. The reversal of 2115353553 is 3553535112.

It is a happy number.

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

It is not a de Polignac number, because 2115353553 - 2¹ = 2115353551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2115353551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21300 + ... + 68442.

It is an arithmetic number, because the mean of its divisors is an integer number (352589976).

Almost surely, 2^2115353553 is an apocalyptic number.

It is an amenable number.

2115353553 is a deficient number, since it is larger than the sum of its proper divisors (705366255).

2115353553 is a wasteful number, since it uses less digits than its factorization.

2115353553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62103.

The product of its digits is 33750, while the sum is 33.

The square root of 2115353553 is about 45992.9728654280. The cubic root of 2115353553 is about 1283.6924534668.

Adding to 2115353553 its reverse (3553535112), we get a palindrome (5668888665).

The spelling of 2115353553 in words is "two billion, one hundred fifteen million, three hundred fifty-three thousand, five hundred fifty-three".