2135220435215 has 8 divisors (see below), whose sum is σ = 2928302311200. Its totient is φ = 1464151155552.

The previous prime is 2135220435209. The next prime is 2135220435217. The reversal of 2135220435215 is 5125340225312.

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 2135220435215 - 2²⁰ = 2135219386639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 61006298149 = 2135220435215 / (2 + 1 + 3 + 5 + 2 + 2 + 0 + 4 + 3 + 5 + 2 + 1 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135220435217) 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, 30503149040 + ... + 30503149109.

It is an arithmetic number, because the mean of its divisors is an integer number (366037788900).

Almost surely, 2^{2135220435215} is an apocalyptic number.

2135220435215 is a deficient number, since it is larger than the sum of its proper divisors (793081875985).

2135220435215 is an equidigital number, since it uses as much as digits as its factorization.

2135220435215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61006298161.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 2135220435215 in words is "two trillion, one hundred thirty-five billion, two hundred twenty million, four hundred thirty-five thousand, two hundred fifteen".