11461640044 has 12 divisors (see below), whose sum is σ = 20704898368. Its totient is φ = 5545954800.

The previous prime is 11461640041. The next prime is 11461640053. The reversal of 11461640044 is 44004616411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 11461639988 and 11461640015.

It is not an unprimeable number, because it can be changed into a prime (11461640041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46216167 + ... + 46216414.

Almost surely, 2^11461640044 is an apocalyptic number.

It is an amenable number.

11461640044 is a deficient number, since it is larger than the sum of its proper divisors (9243258324).

11461640044 is a wasteful number, since it uses less digits than its factorization.

11461640044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92432616 (or 92432614 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 11461640044 in words is "eleven billion, four hundred sixty-one million, six hundred forty thousand, forty-four".