11167444640 has 48 divisors (see below), whose sum is σ = 28781555040. Its totient is φ = 4060888320.

The previous prime is 11167444601. The next prime is 11167444649. The reversal of 11167444640 is 4644476111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11167444594 and 11167444603.

It is not an unprimeable number, because it can be changed into a prime (11167444649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3170810 + ... + 3174329.

It is an arithmetic number, because the mean of its divisors is an integer number (599615730).

Almost surely, 2^11167444640 is an apocalyptic number.

11167444640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11167444640 is an abundant number, since it is smaller than the sum of its proper divisors (17614110400).

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

11167444640 is a wasteful number, since it uses less digits than its factorization.

11167444640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6345165 (or 6345157 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 11167444640 in words is "eleven billion, one hundred sixty-seven million, four hundred forty-four thousand, six hundred forty".