201056151551 has 4 divisors (see below), whose sum is σ = 201076468104. Its totient is φ = 201035835000.

The previous prime is 201056151539. The next prime is 201056151581. The reversal of 201056151551 is 155151650102.

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 201056151551 - 2³⁴ = 183876282367 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 (201056151581) 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, 10143425 + ... + 10163226.

It is an arithmetic number, because the mean of its divisors is an integer number (50269117026).

Almost surely, 2^201056151551 is an apocalyptic number.

201056151551 is a deficient number, since it is larger than the sum of its proper divisors (20316553).

201056151551 is an equidigital number, since it uses as much as digits as its factorization.

201056151551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20316552.

The product of its (nonzero) digits is 7500, while the sum is 32.

The spelling of 201056151551 in words is "two hundred one billion, fifty-six million, one hundred fifty-one thousand, five hundred fifty-one".