11340860261 has 2 divisors, whose sum is σ = 11340860262. Its totient is φ = 11340860260.

The previous prime is 11340860249. The next prime is 11340860287. The reversal of 11340860261 is 16206804311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11338203361 + 2656900 = 106481^2 + 1630^2 .

It is a cyclic number.

It is not a de Polignac number, because 11340860261 - 2²² = 11336665957 is a prime.

It is a super-2 number, since 2×11340860261² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11340866261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5670430130 + 5670430131.

It is an arithmetic number, because the mean of its divisors is an integer number (5670430131).

Almost surely, 2^11340860261 is an apocalyptic number.

It is an amenable number.

11340860261 is a deficient number, since it is larger than the sum of its proper divisors (1).

11340860261 is an equidigital number, since it uses as much as digits as its factorization.

11340860261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 11340860261 in words is "eleven billion, three hundred forty million, eight hundred sixty thousand, two hundred sixty-one".