11663153491 has 8 divisors (see below), whose sum is σ = 12733311168. Its totient is φ = 10594641000.

The previous prime is 11663153413. The next prime is 11663153533. The reversal of 11663153491 is 19435136611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11663153491 - 2⁹ = 11663152979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11663159491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396445 + ... + 424846.

It is an arithmetic number, because the mean of its divisors is an integer number (1591663896).

Almost surely, 2^11663153491 is an apocalyptic number.

11663153491 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11663153491 is a deficient number, since it is larger than the sum of its proper divisors (1070157677).

11663153491 is a wasteful number, since it uses less digits than its factorization.

11663153491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822593.

The product of its digits is 58320, while the sum is 40.

The spelling of 11663153491 in words is "eleven billion, six hundred sixty-three million, one hundred fifty-three thousand, four hundred ninety-one".