11112898641 has 16 divisors (see below), whose sum is σ = 16037993664. Its totient is φ = 6803987904.

The previous prime is 11112898633. The next prime is 11112898663. The reversal of 11112898641 is 14689821111.

It is not a de Polignac number, because 11112898641 - 2³ = 11112898633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11112898593 and 11112898602.

It is not an unprimeable number, because it can be changed into a prime (11112897641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 715531 + ... + 730896.

It is an arithmetic number, because the mean of its divisors is an integer number (1002374604).

Almost surely, 2^11112898641 is an apocalyptic number.

It is an amenable number.

11112898641 is a deficient number, since it is larger than the sum of its proper divisors (4925095023).

11112898641 is a wasteful number, since it uses less digits than its factorization.

11112898641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446640.

The product of its digits is 27648, while the sum is 42.

The spelling of 11112898641 in words is "eleven billion, one hundred twelve million, eight hundred ninety-eight thousand, six hundred forty-one".