11445590136 has 64 divisors (see below), whose sum is σ = 30490296480. Its totient is φ = 3567882240.

The previous prime is 11445590099. The next prime is 11445590137. The reversal of 11445590136 is 63109554411.

11445590136 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 2×11445590136² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11445590094 and 11445590103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11445590137) 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 15 ways as a sum of consecutive naturals, for example, 25285 + ... + 153396.

Almost surely, 2^11445590136 is an apocalyptic number.

It is an amenable number.

11445590136 is an abundant number, since it is smaller than the sum of its proper divisors (19044706344).

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

11445590136 is a wasteful number, since it uses less digits than its factorization.

11445590136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178864 (or 178860 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 11445590136 in words is "eleven billion, four hundred forty-five million, five hundred ninety thousand, one hundred thirty-six".