11270671980 has 48 divisors (see below), whose sum is σ = 31837173984. Its totient is φ = 2978913280.

The previous prime is 11270671963. The next prime is 11270672003. The reversal of 11270671980 is 8917607211.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 824391 + ... + 837950.

It is an arithmetic number, because the mean of its divisors is an integer number (663274458).

Almost surely, 2^11270671980 is an apocalyptic number.

11270671980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11270671980 is an abundant number, since it is smaller than the sum of its proper divisors (20566502004).

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

11270671980 is a wasteful number, since it uses less digits than its factorization.

11270671980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662466 (or 1662464 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 42.

The spelling of 11270671980 in words is "eleven billion, two hundred seventy million, six hundred seventy-one thousand, nine hundred eighty".