11857364069 has 2 divisors, whose sum is σ = 11857364070. Its totient is φ = 11857364068.

The previous prime is 11857364053. The next prime is 11857364083. The reversal of 11857364069 is 96046375811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11785707844 + 71656225 = 108562^2 + 8465^2 .

It is a cyclic number.

It is not a de Polignac number, because 11857364069 - 2⁴ = 11857364053 is a prime.

It is a super-2 number, since 2×11857364069² (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 (11857364089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5928682034 + 5928682035.

It is an arithmetic number, because the mean of its divisors is an integer number (5928682035).

Almost surely, 2^11857364069 is an apocalyptic number.

It is an amenable number.

11857364069 is a deficient number, since it is larger than the sum of its proper divisors (1).

11857364069 is an equidigital number, since it uses as much as digits as its factorization.

11857364069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 11857364069 in words is "eleven billion, eight hundred fifty-seven million, three hundred sixty-four thousand, sixty-nine".