11401566242 has 16 divisors (see below), whose sum is σ = 18962964864. Its totient is φ = 5097570000.

The previous prime is 11401566199. The next prime is 11401566251. The reversal of 11401566242 is 24266510411.

11401566242 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11401566199 and 11401566208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4246634 + ... + 4249317.

It is an arithmetic number, because the mean of its divisors is an integer number (1185185304).

Almost surely, 2^11401566242 is an apocalyptic number.

11401566242 is a deficient number, since it is larger than the sum of its proper divisors (7561398622).

11401566242 is a wasteful number, since it uses less digits than its factorization.

11401566242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8496025.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 11401566242 in words is "eleven billion, four hundred one million, five hundred sixty-six thousand, two hundred forty-two".