11661562648342 has 8 divisors (see below), whose sum is σ = 17492359351032. Its totient is φ = 5830776198000.

The previous prime is 11661562648279. The next prime is 11661562648381. The reversal of 11661562648342 is 24384626516611.

11661562648342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

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, 1696042 + ... + 5118562.

It is an arithmetic number, because the mean of its divisors is an integer number (2186544918879).

Almost surely, 2^{11661562648342} is an apocalyptic number.

11661562648342 is a deficient number, since it is larger than the sum of its proper divisors (5830796702690).

11661562648342 is a wasteful number, since it uses less digits than its factorization.

11661562648342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5126174.

The product of its digits is 9953280, while the sum is 55.

The spelling of 11661562648342 in words is "eleven trillion, six hundred sixty-one billion, five hundred sixty-two million, six hundred forty-eight thousand, three hundred forty-two".