11409681142 has 16 divisors (see below), whose sum is σ = 17145741312. Its totient is φ = 5694445800.

The previous prime is 11409681113. The next prime is 11409681169. The reversal of 11409681142 is 24118690411.

11409681142 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 2×11409681142² (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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3605653 + ... + 3608815.

It is an arithmetic number, because the mean of its divisors is an integer number (1071608832).

Almost surely, 2^11409681142 is an apocalyptic number.

11409681142 is a deficient number, since it is larger than the sum of its proper divisors (5736060170).

11409681142 is a wasteful number, since it uses less digits than its factorization.

11409681142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5883.

The product of its (nonzero) digits is 13824, while the sum is 37.

The spelling of 11409681142 in words is "eleven billion, four hundred nine million, six hundred eighty-one thousand, one hundred forty-two".