201056075501 has 4 divisors (see below), whose sum is σ = 202935104352. Its totient is φ = 199177046652.

The previous prime is 201056075491. The next prime is 201056075503. The reversal of 201056075501 is 105570650102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201056075501 - 2¹⁰ = 201056074477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201056075503) 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, 939514265 + ... + 939514478.

It is an arithmetic number, because the mean of its divisors is an integer number (50733776088).

Almost surely, 2^201056075501 is an apocalyptic number.

It is an amenable number.

201056075501 is a deficient number, since it is larger than the sum of its proper divisors (1879028851).

201056075501 is a wasteful number, since it uses less digits than its factorization.

201056075501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879028850.

The product of its (nonzero) digits is 10500, while the sum is 32.

The spelling of 201056075501 in words is "two hundred one billion, fifty-six million, seventy-five thousand, five hundred one".