11661501106 has 8 divisors (see below), whose sum is σ = 17502067584. Its totient is φ = 5827478580.

The previous prime is 11661501073. The next prime is 11661501139. The reversal of 11661501106 is 60110516611.

It is an interprime number because it is at equal distance from previous prime (11661501073) and next prime (11661501139).

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1631530 + ... + 1638661.

It is an arithmetic number, because the mean of its divisors is an integer number (2187758448).

Almost surely, 2^11661501106 is an apocalyptic number.

11661501106 is a deficient number, since it is larger than the sum of its proper divisors (5840566478).

11661501106 is a wasteful number, since it uses less digits than its factorization.

11661501106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3271976.

The product of its (nonzero) digits is 1080, while the sum is 28.

The spelling of 11661501106 in words is "eleven billion, six hundred sixty-one million, five hundred one thousand, one hundred six".