11206440497 has 16 divisors (see below), whose sum is σ = 13124987904. Its totient is φ = 9367488000.

The previous prime is 11206440481. The next prime is 11206440533. The reversal of 11206440497 is 79404460211.

It is a cyclic number.

It is not a de Polignac number, because 11206440497 - 2⁴ = 11206440481 is a prime.

It is a super-2 number, since 2×11206440497² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11206440497.

It is not an unprimeable number, because it can be changed into a prime (11206440997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 889472 + ... + 901982.

It is an arithmetic number, because the mean of its divisors is an integer number (820311744).

Almost surely, 2^11206440497 is an apocalyptic number.

It is an amenable number.

11206440497 is a deficient number, since it is larger than the sum of its proper divisors (1918547407).

11206440497 is a wasteful number, since it uses less digits than its factorization.

11206440497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15680.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 11206440497 in words is "eleven billion, two hundred six million, four hundred forty thousand, four hundred ninety-seven".