11173463280 has 120 divisors (see below), whose sum is σ = 42884835552. Its totient is φ = 2553933312.

The previous prime is 11173463263. The next prime is 11173463281. The reversal of 11173463280 is 8236437111.

It is a happy number.

11173463280 is a `hidden beast` number, since 1 + 1 + 17 + 3 + 4 + 632 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11173463281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1103439 + ... + 1113518.

Almost surely, 2^11173463280 is an apocalyptic number.

11173463280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11173463280 is an abundant number, since it is smaller than the sum of its proper divisors (31711372272).

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

11173463280 is a wasteful number, since it uses less digits than its factorization.

11173463280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216983 (or 2216974 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 11173463280 in words is "eleven billion, one hundred seventy-three million, four hundred sixty-three thousand, two hundred eighty".