201255556562 has 8 divisors (see below), whose sum is σ = 312293105100. Its totient is φ = 97157854864.

The previous prime is 201255556561. The next prime is 201255556571. The reversal of 201255556562 is 265655552102.

It can be written as a sum of positive squares in 2 ways, for example, as 197910206641 + 3345349921 = 444871^2 + 57839^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (201255556561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1734961637 + ... + 1734961752.

Almost surely, 2^201255556562 is an apocalyptic number.

201255556562 is a deficient number, since it is larger than the sum of its proper divisors (111037548538).

201255556562 is a wasteful number, since it uses less digits than its factorization.

201255556562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3469923420.

The product of its (nonzero) digits is 900000, while the sum is 44.

The spelling of 201255556562 in words is "two hundred one billion, two hundred fifty-five million, five hundred fifty-six thousand, five hundred sixty-two".