201170151137 has 4 divisors (see below), whose sum is σ = 204965814420. Its totient is φ = 197374487856.

The previous prime is 201170151071. The next prime is 201170151157. The reversal of 201170151137 is 731151071102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 731151071102 = 2 ⋅365575535551.

It can be written as a sum of positive squares in 2 ways, for example, as 184761565921 + 16408585216 = 429839^2 + 128096^2 .

It is a cyclic number.

It is not a de Polignac number, because 201170151137 - 2¹⁸ = 201169888993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201170151157) 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, 1897831562 + ... + 1897831667.

It is an arithmetic number, because the mean of its divisors is an integer number (51241453605).

Almost surely, 2^201170151137 is an apocalyptic number.

It is an amenable number.

201170151137 is a deficient number, since it is larger than the sum of its proper divisors (3795663283).

201170151137 is an equidigital number, since it uses as much as digits as its factorization.

201170151137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3795663282.

The product of its (nonzero) digits is 1470, while the sum is 29.

The spelling of 201170151137 in words is "two hundred one billion, one hundred seventy million, one hundred fifty-one thousand, one hundred thirty-seven".