11607311520 has 144 divisors (see below), whose sum is σ = 45268554240. Its totient is φ = 2653097472.

The previous prime is 11607311503. The next prime is 11607311543. The reversal of 11607311520 is 2511370611.

11607311520 is a `hidden beast` number, since 1 + 1 + 60 + 73 + 11 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 565680 + ... + 585839.

It is an arithmetic number, because the mean of its divisors is an integer number (314364960).

Almost surely, 2^11607311520 is an apocalyptic number.

11607311520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11607311520 is an abundant number, since it is smaller than the sum of its proper divisors (33661242720).

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

11607311520 is a wasteful number, since it uses less digits than its factorization.

11607311520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151547 (or 1151536 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The spelling of 11607311520 in words is "eleven billion, six hundred seven million, three hundred eleven thousand, five hundred twenty".