11144681470 has 32 divisors (see below), whose sum is σ = 21608633088. Its totient is φ = 4113988608.

The previous prime is 11144681467. The next prime is 11144681497. The reversal of 11144681470 is 7418644111.

It is a super-2 number, since 2×11144681470² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 779022 + ... + 793198.

It is an arithmetic number, because the mean of its divisors is an integer number (675269784).

Almost surely, 2^11144681470 is an apocalyptic number.

11144681470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11144681470 is a deficient number, since it is larger than the sum of its proper divisors (10463951618).

11144681470 is a wasteful number, since it uses less digits than its factorization.

11144681470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20244.

The product of its (nonzero) digits is 21504, while the sum is 37.

The spelling of 11144681470 in words is "eleven billion, one hundred forty-four million, six hundred eighty-one thousand, four hundred seventy".