11641673812880 has 40 divisors (see below), whose sum is σ = 27319853238912. Its totient is φ = 4613149245824.

The previous prime is 11641673812843. The next prime is 11641673812883. The reversal of 11641673812880 is 8821837614611.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×11641673812880³ (a number of 40 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11641673812883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 679995752 + ... + 680012871.

Almost surely, 2^{11641673812880} is an apocalyptic number.

11641673812880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11641673812880 is an abundant number, since it is smaller than the sum of its proper divisors (15678179426032).

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

11641673812880 is a wasteful number, since it uses less digits than its factorization.

11641673812880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360008743 (or 1360008737 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 56.

The spelling of 11641673812880 in words is "eleven trillion, six hundred forty-one billion, six hundred seventy-three million, eight hundred twelve thousand, eight hundred eighty".