11320378488 has 48 divisors (see below), whose sum is σ = 31372375320. Its totient is φ = 3685703616.

The previous prime is 11320378477. The next prime is 11320378507. The reversal of 11320378488 is 88487302311.

11320378488 is a `hidden beast` number, since 1 + 132 + 0 + 37 + 8 + 488 = 666.

11320378488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11320378488² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1825131 + ... + 1831322.

Almost surely, 2^11320378488 is an apocalyptic number.

11320378488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11320378488 is an abundant number, since it is smaller than the sum of its proper divisors (20051996832).

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

11320378488 is a wasteful number, since it uses less digits than its factorization.

11320378488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3656508 (or 3656501 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 11320378488 in words is "eleven billion, three hundred twenty million, three hundred seventy-eight thousand, four hundred eighty-eight".