11369530385 has 32 divisors (see below), whose sum is σ = 14919139872. Its totient is φ = 8282787840.

The previous prime is 11369530357. The next prime is 11369530397. The reversal of 11369530385 is 58303596311.

It is a Cunningham number, because it is equal to 106628²+1.

It can be written as a sum of positive squares in 16 ways, for example, as 2517731329 + 8851799056 = 50177^2 + 94084^2 .

It is not a de Polignac number, because 11369530385 - 2²⁶ = 11302421521 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 559259 + ... + 579231.

It is an arithmetic number, because the mean of its divisors is an integer number (466223121).

Almost surely, 2^11369530385 is an apocalyptic number.

It is an amenable number.

11369530385 is a deficient number, since it is larger than the sum of its proper divisors (3549609487).

11369530385 is a wasteful number, since it uses less digits than its factorization.

11369530385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20213.

The product of its (nonzero) digits is 291600, while the sum is 44.

The spelling of 11369530385 in words is "eleven billion, three hundred sixty-nine million, five hundred thirty thousand, three hundred eighty-five".