11331177480 has 576 divisors, whose sum is σ = 45697055040. Its totient is φ = 2516064768.

The previous prime is 11331177469. The next prime is 11331177521. The reversal of 11331177480 is 8477113311.

11331177480 is a `hidden beast` number, since 1 + 1 + 3 + 3 + 1 + 177 + 480 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 17622039 + ... + 17622681.

It is an arithmetic number, because the mean of its divisors is an integer number (79335165).

Almost surely, 2^11331177480 is an apocalyptic number.

11331177480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11331177480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22848527520).

11331177480 is an abundant number, since it is smaller than the sum of its proper divisors (34365877560).

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

11331177480 is a wasteful number, since it uses less digits than its factorization.

11331177480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The spelling of 11331177480 in words is "eleven billion, three hundred thirty-one million, one hundred seventy-seven thousand, four hundred eighty".