11352051405 has 12 divisors (see below), whose sum is σ = 19676889180. Its totient is φ = 6054427392.

The previous prime is 11352051377. The next prime is 11352051413. The reversal of 11352051405 is 50415025311.

It can be written as a sum of positive squares in 2 ways, for example, as 3569106564 + 7782944841 = 59742^2 + 88221^2 .

It is not a de Polignac number, because 11352051405 - 2²⁰ = 11351002829 is a prime.

It is a super-2 number, since 2×11352051405² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126133860 + ... + 126133949.

It is an arithmetic number, because the mean of its divisors is an integer number (1639740765).

Almost surely, 2^11352051405 is an apocalyptic number.

11352051405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11352051405 is a deficient number, since it is larger than the sum of its proper divisors (8324837775).

11352051405 is a wasteful number, since it uses less digits than its factorization.

11352051405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252267820 (or 252267817 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 11352051405 its reverse (50415025311), we get a palindrome (61767076716).

The spelling of 11352051405 in words is "eleven billion, three hundred fifty-two million, fifty-one thousand, four hundred five".