11945625980 has 12 divisors (see below), whose sum is σ = 25085814600. Its totient is φ = 4778250384.

The previous prime is 11945625961. The next prime is 11945625997. The reversal of 11945625980 is 8952654911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298640630 + ... + 298640669.

It is an arithmetic number, because the mean of its divisors is an integer number (2090484550).

Almost surely, 2^11945625980 is an apocalyptic number.

11945625980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11945625980 is an abundant number, since it is smaller than the sum of its proper divisors (13140188620).

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

11945625980 is a wasteful number, since it uses less digits than its factorization.

11945625980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597281308 (or 597281306 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 50.

The spelling of 11945625980 in words is "eleven billion, nine hundred forty-five million, six hundred twenty-five thousand, nine hundred eighty".