201554352311 has 4 divisors (see below), whose sum is σ = 217058533272. Its totient is φ = 186050171352.

The previous prime is 201554352277. The next prime is 201554352323. The reversal of 201554352311 is 113253455102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201554352311 - 2³⁰ = 200480610487 is a prime.

It is a super-2 number, since 2×201554352311² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201554352361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7752090461 + ... + 7752090486.

It is an arithmetic number, because the mean of its divisors is an integer number (54264633318).

Almost surely, 2^201554352311 is an apocalyptic number.

201554352311 is a deficient number, since it is larger than the sum of its proper divisors (15504180961).

201554352311 is a wasteful number, since it uses less digits than its factorization.

201554352311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15504180960.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 201554352311 in words is "two hundred one billion, five hundred fifty-four million, three hundred fifty-two thousand, three hundred eleven".