11654848438 has 4 divisors (see below), whose sum is σ = 17482272660. Its totient is φ = 5827424218.

The previous prime is 11654848421. The next prime is 11654848451. The reversal of 11654848438 is 83484845611.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×11654848438² (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 (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2913712108 + ... + 2913712111.

It is an arithmetic number, because the mean of its divisors is an integer number (4370568165).

Almost surely, 2^11654848438 is an apocalyptic number.

11654848438 is a deficient number, since it is larger than the sum of its proper divisors (5827424222).

11654848438 is an equidigital number, since it uses as much as digits as its factorization.

11654848438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5827424221.

The product of its digits is 2949120, while the sum is 52.

The spelling of 11654848438 in words is "eleven billion, six hundred fifty-four million, eight hundred forty-eight thousand, four hundred thirty-eight".