11461336840 has 32 divisors (see below), whose sum is σ = 25793703000. Its totient is φ = 4583522304.

The previous prime is 11461336837. The next prime is 11461336853. The reversal of 11461336840 is 4863316411.

It can be written as a sum of positive squares in 4 ways, for example, as 11360575396 + 100761444 = 106586^2 + 10038^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11461336840.

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, 167176 + ... + 225544.

Almost surely, 2^11461336840 is an apocalyptic number.

11461336840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11461336840 is an abundant number, since it is smaller than the sum of its proper divisors (14332366160).

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

11461336840 is a wasteful number, since it uses less digits than its factorization.

11461336840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63289 (or 63285 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 11461336840 in words is "eleven billion, four hundred sixty-one million, three hundred thirty-six thousand, eight hundred forty".