11556140446 has 8 divisors (see below), whose sum is σ = 17338060080. Its totient is φ = 5776787088.

The previous prime is 11556140437. The next prime is 11556140459. The reversal of 11556140446 is 64404165511.

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, 630271 + ... + 648346.

It is an arithmetic number, because the mean of its divisors is an integer number (2167257510).

Almost surely, 2^11556140446 is an apocalyptic number.

11556140446 is a deficient number, since it is larger than the sum of its proper divisors (5781919634).

11556140446 is a wasteful number, since it uses less digits than its factorization.

11556140446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283138.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 11556140446 in words is "eleven billion, five hundred fifty-six million, one hundred forty thousand, four hundred forty-six".