11210999505 has 16 divisors (see below), whose sum is σ = 18096341760. Its totient is φ = 5926285568.

The previous prime is 11210999483. The next prime is 11210999561. The reversal of 11210999505 is 50599901211.

It is a cyclic number.

It is not a de Polignac number, because 11210999505 - 2¹⁰ = 11210998481 is a prime.

It is a super-2 number, since 2×11210999505² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3305385 + ... + 3308774.

It is an arithmetic number, because the mean of its divisors is an integer number (1131021360).

Almost surely, 2^11210999505 is an apocalyptic number.

11210999505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11210999505 is a deficient number, since it is larger than the sum of its proper divisors (6885342255).

11210999505 is a wasteful number, since it uses less digits than its factorization.

11210999505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6614280.

The product of its (nonzero) digits is 36450, while the sum is 42.

The spelling of 11210999505 in words is "eleven billion, two hundred ten million, nine hundred ninety-nine thousand, five hundred five".