11451455640142 has 32 divisors (see below), whose sum is σ = 19725638296320. Its totient is φ = 4884141577920.

The previous prime is 11451455640127. The next prime is 11451455640193. The reversal of 11451455640142 is 24104655415411.

It is a super-3 number, since 3×11451455640142³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7019409 + ... + 8495587.

It is an arithmetic number, because the mean of its divisors is an integer number (616426196760).

Almost surely, 2^{11451455640142} is an apocalyptic number.

11451455640142 is a deficient number, since it is larger than the sum of its proper divisors (8274182656178).

11451455640142 is a wasteful number, since it uses less digits than its factorization.

11451455640142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478856.

The product of its (nonzero) digits is 384000, while the sum is 43.

The spelling of 11451455640142 in words is "eleven trillion, four hundred fifty-one billion, four hundred fifty-five million, six hundred forty thousand, one hundred forty-two".