201255556516707 has 48 divisors (see below), whose sum is σ = 340531162947072. Its totient is φ = 104547640841280.

The previous prime is 201255556516699. The next prime is 201255556516711. The reversal of 201255556516707 is 707615655552102.

It is not a de Polignac number, because 201255556516707 - 2³ = 201255556516699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201255556516207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 314774113 + ... + 315412829.

It is an arithmetic number, because the mean of its divisors is an integer number (7094399228064).

Almost surely, 2^{201255556516707} is an apocalyptic number.

201255556516707 is a deficient number, since it is larger than the sum of its proper divisors (139275606430365).

201255556516707 is a wasteful number, since it uses less digits than its factorization.

201255556516707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833608 (or 833601 counting only the distinct ones).

The product of its (nonzero) digits is 22050000, while the sum is 57.

The spelling of 201255556516707 in words is "two hundred one trillion, two hundred fifty-five billion, five hundred fifty-six million, five hundred sixteen thousand, seven hundred seven".