11138678207 has 2 divisors, whose sum is σ = 11138678208. Its totient is φ = 11138678206.

The previous prime is 11138678189. The next prime is 11138678249. The reversal of 11138678207 is 70287683111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11138678207 - 2⁸ = 11138677951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11138678267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5569339103 + 5569339104.

It is an arithmetic number, because the mean of its divisors is an integer number (5569339104).

Almost surely, 2^11138678207 is an apocalyptic number.

11138678207 is a deficient number, since it is larger than the sum of its proper divisors (1).

11138678207 is an equidigital number, since it uses as much as digits as its factorization.

11138678207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 44.

The spelling of 11138678207 in words is "eleven billion, one hundred thirty-eight million, six hundred seventy-eight thousand, two hundred seven".