11161219497 has 8 divisors (see below), whose sum is σ = 15283832256. Its totient is φ = 7239709872.

The previous prime is 11161219469. The next prime is 11161219507. The reversal of 11161219497 is 79491216111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11161219497 - 2¹⁴ = 11161203113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11161211497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50275653 + ... + 50275874.

It is an arithmetic number, because the mean of its divisors is an integer number (1910479032).

Almost surely, 2^11161219497 is an apocalyptic number.

It is an amenable number.

11161219497 is a deficient number, since it is larger than the sum of its proper divisors (4122612759).

11161219497 is a wasteful number, since it uses less digits than its factorization.

11161219497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100551567.

The product of its digits is 27216, while the sum is 42.

The spelling of 11161219497 in words is "eleven billion, one hundred sixty-one million, two hundred nineteen thousand, four hundred ninety-seven".