11308881690 has 64 divisors (see below), whose sum is σ = 30325622400. Its totient is φ = 2998841472.

The previous prime is 11308881677. The next prime is 11308881697. The reversal of 11308881690 is 9618880311.

11308881690 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 2×11308881690² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (11308881697) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 68667 + ... + 165326.

It is an arithmetic number, because the mean of its divisors is an integer number (473837850).

Almost surely, 2^11308881690 is an apocalyptic number.

11308881690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11308881690 is an abundant number, since it is smaller than the sum of its proper divisors (19016740710).

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

11308881690 is a wasteful number, since it uses less digits than its factorization.

11308881690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234188 (or 234182 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 45.

The spelling of 11308881690 in words is "eleven billion, three hundred eight million, eight hundred eighty-one thousand, six hundred ninety".