11663135331 has 8 divisors (see below), whose sum is σ = 15688465680. Its totient is φ = 7706614272.

The previous prime is 11663135303. The next prime is 11663135339. The reversal of 11663135331 is 13353136611.

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

It is not a de Polignac number, because 11663135331 - 2⁵ = 11663135299 is a prime.

It is a super-2 number, since 2×11663135331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11663135292 and 11663135301.

It is not an unprimeable number, because it can be changed into a prime (11663135339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17201926 + ... + 17202603.

It is an arithmetic number, because the mean of its divisors is an integer number (1961058210).

Almost surely, 2^11663135331 is an apocalyptic number.

11663135331 is a deficient number, since it is larger than the sum of its proper divisors (4025330349).

11663135331 is a wasteful number, since it uses less digits than its factorization.

11663135331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34404645.

The product of its digits is 14580, while the sum is 33.

The spelling of 11663135331 in words is "eleven billion, six hundred sixty-three million, one hundred thirty-five thousand, three hundred thirty-one".