1138654033851 has 16 divisors (see below), whose sum is σ = 1526287714848. Its totient is φ = 755069952000.

The previous prime is 1138654033843. The next prime is 1138654033883. The reversal of 1138654033851 is 1583304568311.

It is not a de Polignac number, because 1138654033851 - 2³ = 1138654033843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1138654033851.

It is not an unprimeable number, because it can be changed into a prime (1138654033801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512920 + ... + 1593861.

It is an arithmetic number, because the mean of its divisors is an integer number (95392982178).

Almost surely, 2^{1138654033851} is an apocalyptic number.

1138654033851 is a deficient number, since it is larger than the sum of its proper divisors (387633680997).

1138654033851 is a wasteful number, since it uses less digits than its factorization.

1138654033851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107742.

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 1138654033851 in words is "one trillion, one hundred thirty-eight billion, six hundred fifty-four million, thirty-three thousand, eight hundred fifty-one".