201655042151 has 8 divisors (see below), whose sum is σ = 214634997504. Its totient is φ = 188799297280.

The previous prime is 201655042139. The next prime is 201655042159. The reversal of 201655042151 is 151240556102.

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

It is a cyclic number.

It is not a de Polignac number, because 201655042151 - 2⁶ = 201655042087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201655042159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31049270 + ... + 31055763.

It is an arithmetic number, because the mean of its divisors is an integer number (26829374688).

Almost surely, 2^201655042151 is an apocalyptic number.

201655042151 is a deficient number, since it is larger than the sum of its proper divisors (12979955353).

201655042151 is a wasteful number, since it uses less digits than its factorization.

201655042151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62105241.

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 201655042151 its reverse (151240556102), we get a palindrome (352895598253).

The spelling of 201655042151 in words is "two hundred one billion, six hundred fifty-five million, forty-two thousand, one hundred fifty-one".