11958028213 has 2 divisors, whose sum is σ = 11958028214. Its totient is φ = 11958028212.

The previous prime is 11958028129. The next prime is 11958028241. The reversal of 11958028213 is 31282085911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11342889009 + 615139204 = 106503^2 + 24802^2 .

It is a cyclic number.

It is not a de Polignac number, because 11958028213 - 2¹³ = 11958020021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11958028273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5979014106 + 5979014107.

It is an arithmetic number, because the mean of its divisors is an integer number (5979014107).

Almost surely, 2^11958028213 is an apocalyptic number.

It is an amenable number.

11958028213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11958028213 is an equidigital number, since it uses as much as digits as its factorization.

11958028213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 40.

The spelling of 11958028213 in words is "eleven billion, nine hundred fifty-eight million, twenty-eight thousand, two hundred thirteen".