202540215055 has 8 divisors (see below), whose sum is σ = 243050913792. Its totient is φ = 162030401568.

The previous prime is 202540215047. The next prime is 202540215077. The reversal of 202540215055 is 550512045202.

It is a happy number.

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 202540215055 - 2³ = 202540215047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489714 + ... + 803056.

It is an arithmetic number, because the mean of its divisors is an integer number (30381364224).

Almost surely, 2^202540215055 is an apocalyptic number.

202540215055 is a deficient number, since it is larger than the sum of its proper divisors (40510698737).

202540215055 is a wasteful number, since it uses less digits than its factorization.

202540215055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442625.

The product of its (nonzero) digits is 20000, while the sum is 31.

The spelling of 202540215055 in words is "two hundred two billion, five hundred forty million, two hundred fifteen thousand, fifty-five".