201260116511 has 4 divisors (see below), whose sum is σ = 213098946912. Its totient is φ = 189421286112.

The previous prime is 201260116507. The next prime is 201260116591. The reversal of 201260116511 is 115611062102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 115611062102 = 2 ⋅57805531051.

It is a cyclic number.

It is not a de Polignac number, because 201260116511 - 2² = 201260116507 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 (201260116591) 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, 5919415175 + ... + 5919415208.

It is an arithmetic number, because the mean of its divisors is an integer number (53274736728).

Almost surely, 2^201260116511 is an apocalyptic number.

201260116511 is a deficient number, since it is larger than the sum of its proper divisors (11838830401).

201260116511 is a wasteful number, since it uses less digits than its factorization.

201260116511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11838830400.

The product of its (nonzero) digits is 720, while the sum is 26.

Adding to 201260116511 its reverse (115611062102), we get a palindrome (316871178613).

The spelling of 201260116511 in words is "two hundred one billion, two hundred sixty million, one hundred sixteen thousand, five hundred eleven".