11000213957 has 2 divisors, whose sum is σ = 11000213958. Its totient is φ = 11000213956.

The previous prime is 11000213929. The next prime is 11000214011. The reversal of 11000213957 is 75931200011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9276386596 + 1723827361 = 96314^2 + 41519^2 .

It is a cyclic number.

It is not a de Polignac number, because 11000213957 - 2¹⁶ = 11000148421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11000213057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500106978 + 5500106979.

It is an arithmetic number, because the mean of its divisors is an integer number (5500106979).

Almost surely, 2^11000213957 is an apocalyptic number.

It is an amenable number.

11000213957 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000213957 is an equidigital number, since it uses as much as digits as its factorization.

11000213957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 29.

Adding to 11000213957 its reverse (75931200011), we get a palindrome (86931413968).

The spelling of 11000213957 in words is "eleven billion, two hundred thirteen thousand, nine hundred fifty-seven".