11154848861639 has 16 divisors (see below), whose sum is σ = 12941187011328. Its totient is φ = 9416763240192.

The previous prime is 11154848861617. The next prime is 11154848861693. The reversal of 11154848861639 is 93616884845111.

11154848861639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11154848861639 - 2¹² = 11154848857543 is a prime.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11154848861609) 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, 108944 + ... + 4724570.

It is an arithmetic number, because the mean of its divisors is an integer number (808824188208).

Almost surely, 2^{11154848861639} is an apocalyptic number.

11154848861639 is a deficient number, since it is larger than the sum of its proper divisors (1786338149689).

11154848861639 is an equidigital number, since it uses as much as digits as its factorization.

11154848861639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4620854.

The product of its digits is 39813120, while the sum is 65.

The spelling of 11154848861639 in words is "eleven trillion, one hundred fifty-four billion, eight hundred forty-eight million, eight hundred sixty-one thousand, six hundred thirty-nine".