215113153 has 8 divisors (see below), whose sum is σ = 222544872. Its totient is φ = 207766656.

The previous prime is 215113127. The next prime is 215113163. The reversal of 215113153 is 351311512.

215113153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 162231169 + 52881984 = 12737^2 + 7272^2 .

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 215113153 - 2²⁵ = 181558721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (215113103) 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, 16150 + ... + 26287.

It is an arithmetic number, because the mean of its divisors is an integer number (27818109).

Almost surely, 2^215113153 is an apocalyptic number.

It is an amenable number.

215113153 is a deficient number, since it is larger than the sum of its proper divisors (7431719).

215113153 is a wasteful number, since it uses less digits than its factorization.

215113153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42611.

The product of its digits is 450, while the sum is 22.

The square root of 215113153 is about 14666.7362763500. The cubic root of 215113153 is about 599.1777189750.

Adding to 215113153 its reverse (351311512), we get a palindrome (566424665).

The spelling of 215113153 in words is "two hundred fifteen million, one hundred thirteen thousand, one hundred fifty-three".