201705151052061 has 48 divisors (see below), whose sum is σ = 300576802166784. Its totient is φ = 130264531350912.

The previous prime is 201705151052011. The next prime is 201705151052131. The reversal of 201705151052061 is 160250151507102.

201705151052061 is a `hidden beast` number, since 2 + 0 + 1 + 70 + 5 + 1 + 5 + 1 + 0 + 520 + 61 = 666.

It is not a de Polignac number, because 201705151052061 - 2³⁴ = 201687971182877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201705151052011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 144639655 + ... + 146027531.

It is an arithmetic number, because the mean of its divisors is an integer number (6262016711808).

Almost surely, 2^{201705151052061} is an apocalyptic number.

It is an amenable number.

201705151052061 is a deficient number, since it is larger than the sum of its proper divisors (98871651114723).

201705151052061 is a wasteful number, since it uses less digits than its factorization.

201705151052061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391010 (or 1391007 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 36.

The spelling of 201705151052061 in words is "two hundred one trillion, seven hundred five billion, one hundred fifty-one million, fifty-two thousand, sixty-one".