11194022154 has 32 divisors (see below), whose sum is σ = 25592019840. Its totient is φ = 3197581632.

The previous prime is 11194022131. The next prime is 11194022219. The reversal of 11194022154 is 45122049111.

11194022154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11194022154² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 179032 + ... + 233324.

It is an arithmetic number, because the mean of its divisors is an integer number (799750620).

Almost surely, 2^11194022154 is an apocalyptic number.

11194022154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11194022154 is an abundant number, since it is smaller than the sum of its proper divisors (14397997686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11194022154 is a wasteful number, since it uses less digits than its factorization.

11194022154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59214.

The product of its (nonzero) digits is 2880, while the sum is 30.

The spelling of 11194022154 in words is "eleven billion, one hundred ninety-four million, twenty-two thousand, one hundred fifty-four".