11868767261 has 8 divisors (see below), whose sum is σ = 13053702144. Its totient is φ = 10722682800.

The previous prime is 11868767237. The next prime is 11868767279. The reversal of 11868767261 is 16276786811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11868767261 - 2²² = 11864572957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11868767861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9711965 + ... + 9713186.

It is an arithmetic number, because the mean of its divisors is an integer number (1631712768).

Almost surely, 2^11868767261 is an apocalyptic number.

It is an amenable number.

11868767261 is a deficient number, since it is larger than the sum of its proper divisors (1184934883).

11868767261 is a wasteful number, since it uses less digits than its factorization.

11868767261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19425211.

The product of its digits is 1354752, while the sum is 53.

The spelling of 11868767261 in words is "eleven billion, eight hundred sixty-eight million, seven hundred sixty-seven thousand, two hundred sixty-one".