1138654033853 has 4 divisors (see below), whose sum is σ = 1301318895840. Its totient is φ = 975989171868.

The previous prime is 1138654033843. The next prime is 1138654033883. The reversal of 1138654033853 is 3583304568311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1138654033853 - 2¹⁸ = 1138653771709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138654033843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81332430983 + ... + 81332430996.

It is an arithmetic number, because the mean of its divisors is an integer number (325329723960).

Almost surely, 2^{1138654033853} is an apocalyptic number.

It is an amenable number.

1138654033853 is a deficient number, since it is larger than the sum of its proper divisors (162664861987).

1138654033853 is an equidigital number, since it uses as much as digits as its factorization.

1138654033853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162664861986.

The product of its (nonzero) digits is 3110400, while the sum is 50.

The spelling of 1138654033853 in words is "one trillion, one hundred thirty-eight billion, six hundred fifty-four million, thirty-three thousand, eight hundred fifty-three".