11358351989 has 2 divisors, whose sum is σ = 11358351990. Its totient is φ = 11358351988.

The previous prime is 11358351941. The next prime is 11358352009. The reversal of 11358351989 is 98915385311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7969132900 + 3389219089 = 89270^2 + 58217^2 .

It is a cyclic number.

It is not a de Polignac number, because 11358351989 - 2¹² = 11358347893 is a prime.

It is a super-2 number, since 2×11358351989² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11358351989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11358351889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5679175994 + 5679175995.

It is an arithmetic number, because the mean of its divisors is an integer number (5679175995).

Almost surely, 2^11358351989 is an apocalyptic number.

It is an amenable number.

11358351989 is a deficient number, since it is larger than the sum of its proper divisors (1).

11358351989 is an equidigital number, since it uses as much as digits as its factorization.

11358351989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166400, while the sum is 53.

The spelling of 11358351989 in words is "eleven billion, three hundred fifty-eight million, three hundred fifty-one thousand, nine hundred eighty-nine".