11392121169 has 72 divisors (see below), whose sum is σ = 19503993600. Its totient is φ = 6351696000.

The previous prime is 11392121159. The next prime is 11392121203. The reversal of 11392121169 is 96112129311.

11392121169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11392121169 - 2⁹ = 11392120657 is a prime.

It is a super-2 number, since 2×11392121169² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11392121119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5838144 + ... + 5840094.

It is an arithmetic number, because the mean of its divisors is an integer number (270888800).

Almost surely, 2^11392121169 is an apocalyptic number.

It is an amenable number.

11392121169 is a deficient number, since it is larger than the sum of its proper divisors (8111872431).

11392121169 is a wasteful number, since it uses less digits than its factorization.

11392121169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2343 (or 2327 counting only the distinct ones).

The product of its digits is 5832, while the sum is 36.

The spelling of 11392121169 in words is "eleven billion, three hundred ninety-two million, one hundred twenty-one thousand, one hundred sixty-nine".