11605790980 has 24 divisors (see below), whose sum is σ = 27853898688. Its totient is φ = 3979128288.

The previous prime is 11605790971. The next prime is 11605791019. The reversal of 11605790980 is 8909750611.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11605790980.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41449114 + ... + 41449393.

It is an arithmetic number, because the mean of its divisors is an integer number (1160579112).

Almost surely, 2^11605790980 is an apocalyptic number.

11605790980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11605790980 is an abundant number, since it is smaller than the sum of its proper divisors (16248107708).

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

11605790980 is a wasteful number, since it uses less digits than its factorization.

11605790980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82898523 (or 82898521 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 46.

The spelling of 11605790980 in words is "eleven billion, six hundred five million, seven hundred ninety thousand, nine hundred eighty".