206402525315 has 12 divisors (see below), whose sum is σ = 288121076496. Its totient is φ = 141533160048.

The previous prime is 206402525309. The next prime is 206402525317. The reversal of 206402525315 is 513525204602.

It is not a de Polignac number, because 206402525315 - 2⁴ = 206402525299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206402525317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 421229399 + ... + 421229888.

It is an arithmetic number, because the mean of its divisors is an integer number (24010089708).

Almost surely, 2^206402525315 is an apocalyptic number.

206402525315 is a deficient number, since it is larger than the sum of its proper divisors (81718551181).

206402525315 is an equidigital number, since it uses as much as digits as its factorization.

206402525315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842459306 (or 842459299 counting only the distinct ones).

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

Adding to 206402525315 its reverse (513525204602), we get a palindrome (719927729917).

The spelling of 206402525315 in words is "two hundred six billion, four hundred two million, five hundred twenty-five thousand, three hundred fifteen".