201061315725737 has 16 divisors (see below), whose sum is σ = 213732017813952. Its totient is φ = 188485268375040.

The previous prime is 201061315725713. The next prime is 201061315725761. The reversal of 201061315725737 is 737527513160102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (201061315725713) and next prime (201061315725761).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201061315725737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201061315725797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7500839 + ... + 21409932.

It is an arithmetic number, because the mean of its divisors is an integer number (13358251113372).

Almost surely, 2^{201061315725737} is an apocalyptic number.

It is an amenable number.

201061315725737 is a deficient number, since it is larger than the sum of its proper divisors (12670702088215).

201061315725737 is a wasteful number, since it uses less digits than its factorization.

201061315725737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28912408.

The product of its (nonzero) digits is 1852200, while the sum is 50.

Adding to 201061315725737 its reverse (737527513160102), we get a palindrome (938588828885839).

The spelling of 201061315725737 in words is "two hundred one trillion, sixty-one billion, three hundred fifteen million, seven hundred twenty-five thousand, seven hundred thirty-seven".