201001755977 has 12 divisors (see below), whose sum is σ = 223080836160. Its totient is φ = 180954791160.

The previous prime is 201001755971. The next prime is 201001755979. The reversal of 201001755977 is 779557100102.

201001755977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201001755977 - 2⁴ = 201001755961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201001755971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8051477 + ... + 8076402.

It is an arithmetic number, because the mean of its divisors is an integer number (18590069680).

Almost surely, 2^201001755977 is an apocalyptic number.

It is an amenable number.

201001755977 is a deficient number, since it is larger than the sum of its proper divisors (22079080183).

201001755977 is a wasteful number, since it uses less digits than its factorization.

201001755977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16128004 (or 16127993 counting only the distinct ones).

The product of its (nonzero) digits is 154350, while the sum is 44.

The spelling of 201001755977 in words is "two hundred one billion, one million, seven hundred fifty-five thousand, nine hundred seventy-seven".