11731160638 has 4 divisors (see below), whose sum is σ = 17596740960. Its totient is φ = 5865580318.

The previous prime is 11731160611. The next prime is 11731160659. The reversal of 11731160638 is 83606113711.

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

It is a super-3 number, since 3×11731160638³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11731160597 and 11731160606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2932790158 + ... + 2932790161.

It is an arithmetic number, because the mean of its divisors is an integer number (4399185240).

Almost surely, 2^11731160638 is an apocalyptic number.

11731160638 is a deficient number, since it is larger than the sum of its proper divisors (5865580322).

11731160638 is an equidigital number, since it uses as much as digits as its factorization.

11731160638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5865580321.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 11731160638 in words is "eleven billion, seven hundred thirty-one million, one hundred sixty thousand, six hundred thirty-eight".