210015135043 has 4 divisors (see below), whose sum is σ = 240017297200. Its totient is φ = 180012972888.

The previous prime is 210015135037. The next prime is 210015135089. The reversal of 210015135043 is 340531510012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 210015135043 - 2²⁹ = 209478264131 is a prime.

It is a super-2 number, since 2×210015135043² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210015134999 and 210015135017.

It is not an unprimeable number, because it can be changed into a prime (210015135443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15001081068 + ... + 15001081081.

It is an arithmetic number, because the mean of its divisors is an integer number (60004324300).

Almost surely, 2^210015135043 is an apocalyptic number.

210015135043 is a deficient number, since it is larger than the sum of its proper divisors (30002162157).

210015135043 is an equidigital number, since it uses as much as digits as its factorization.

210015135043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30002162156.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 210015135043 its reverse (340531510012), we get a palindrome (550546645055).

The spelling of 210015135043 in words is "two hundred ten billion, fifteen million, one hundred thirty-five thousand, forty-three".