11857933207 has 2 divisors, whose sum is σ = 11857933208. Its totient is φ = 11857933206.

The previous prime is 11857933187. The next prime is 11857933237. The reversal of 11857933207 is 70233975811.

It is a weak prime.

It is an emirp because it is prime and its reverse (70233975811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11857933207 is a prime.

It is a super-2 number, since 2×11857933207² (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 (11857933237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5928966603 + 5928966604.

It is an arithmetic number, because the mean of its divisors is an integer number (5928966604).

Almost surely, 2^11857933207 is an apocalyptic number.

11857933207 is a deficient number, since it is larger than the sum of its proper divisors (1).

11857933207 is an equidigital number, since it uses as much as digits as its factorization.

11857933207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 11857933207 in words is "eleven billion, eight hundred fifty-seven million, nine hundred thirty-three thousand, two hundred seven".