11355802369 has 2 divisors, whose sum is σ = 11355802370. Its totient is φ = 11355802368.

The previous prime is 11355802331. The next prime is 11355802379. The reversal of 11355802369 is 96320855311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7569000000 + 3786802369 = 87000^2 + 61537^2 .

It is a cyclic number.

It is not a de Polignac number, because 11355802369 - 2²³ = 11347413761 is a prime.

It is a super-2 number, since 2×11355802369² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11355802379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5677901184 + 5677901185.

It is an arithmetic number, because the mean of its divisors is an integer number (5677901185).

Almost surely, 2^11355802369 is an apocalyptic number.

It is an amenable number.

11355802369 is a deficient number, since it is larger than the sum of its proper divisors (1).

11355802369 is an equidigital number, since it uses as much as digits as its factorization.

11355802369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 11355802369 in words is "eleven billion, three hundred fifty-five million, eight hundred two thousand, three hundred sixty-nine".