11271492080 has 40 divisors (see below), whose sum is σ = 26210634912. Its totient is φ = 4507837184.

The previous prime is 11271492049. The next prime is 11271492083. The reversal of 11271492080 is 8029417211.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11271492080.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11271492083) 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, 939077 + ... + 951003.

Almost surely, 2^11271492080 is an apocalyptic number.

11271492080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11271492080 is an abundant number, since it is smaller than the sum of its proper divisors (14939142832).

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

11271492080 is a wasteful number, since it uses less digits than its factorization.

11271492080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23753 (or 23747 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 35.

The spelling of 11271492080 in words is "eleven billion, two hundred seventy-one million, four hundred ninety-two thousand, eighty".