11351505320 has 16 divisors (see below), whose sum is σ = 25540887060. Its totient is φ = 4540602112.

The previous prime is 11351505313. The next prime is 11351505323. The reversal of 11351505320 is 2350515311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10583882884 + 767622436 = 102878^2 + 27706^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11351505320.

It is not an unprimeable number, because it can be changed into a prime (11351505323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141893777 + ... + 141893856.

Almost surely, 2^11351505320 is an apocalyptic number.

11351505320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11351505320 is an abundant number, since it is smaller than the sum of its proper divisors (14189381740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11351505320 is a wasteful number, since it uses less digits than its factorization.

11351505320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283787644 (or 283787640 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 26.

Subtracting from 11351505320 its reverse (2350515311), we obtain a palindrome (9000990009).

The spelling of 11351505320 in words is "eleven billion, three hundred fifty-one million, five hundred five thousand, three hundred twenty".