11121672492 has 144 divisors (see below), whose sum is σ = 34698636000. Its totient is φ = 3068005248.

The previous prime is 11121672479. The next prime is 11121672503. The reversal of 11121672492 is 29427612111.

11121672492 is a `hidden beast` number, since 1 + 1 + 1 + 2 + 167 + 2 + 492 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 117234 + ... + 189702.

It is an arithmetic number, because the mean of its divisors is an integer number (240962750).

Almost surely, 2^11121672492 is an apocalyptic number.

11121672492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11121672492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17349318000).

11121672492 is an abundant number, since it is smaller than the sum of its proper divisors (23576963508).

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

11121672492 is a wasteful number, since it uses less digits than its factorization.

11121672492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72525 (or 72510 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The spelling of 11121672492 in words is "eleven billion, one hundred twenty-one million, six hundred seventy-two thousand, four hundred ninety-two".