11761606444 has 48 divisors (see below), whose sum is σ = 24497928000. Its totient is φ = 4834158336.

The previous prime is 11761606411. The next prime is 11761606447. The reversal of 11761606444 is 44460616711.

It is a happy number.

It is a super-2 number, since 2×11761606444² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11761606397 and 11761606406.

It is not an unprimeable number, because it can be changed into a prime (11761606447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72382 + ... + 169594.

It is an arithmetic number, because the mean of its divisors is an integer number (510373500).

Almost surely, 2^11761606444 is an apocalyptic number.

11761606444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11761606444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12248964000).

11761606444 is an abundant number, since it is smaller than the sum of its proper divisors (12736321556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11761606444 is a wasteful number, since it uses less digits than its factorization.

11761606444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97402 (or 97400 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 11761606444 in words is "eleven billion, seven hundred sixty-one million, six hundred six thousand, four hundred forty-four".