11365880670 has 48 divisors (see below), whose sum is σ = 29992369680. Its totient is φ = 2985662592.

The previous prime is 11365880633. The next prime is 11365880671. The reversal of 11365880670 is 7608856311.

11365880670 is a `hidden beast` number, since 1 + 1 + 3 + 6 + 588 + 0 + 67 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11365880671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 936415 + ... + 948474.

It is an arithmetic number, because the mean of its divisors is an integer number (624841035).

Almost surely, 2^11365880670 is an apocalyptic number.

11365880670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11365880670 is an abundant number, since it is smaller than the sum of its proper divisors (18626489010).

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

11365880670 is a wasteful number, since it uses less digits than its factorization.

11365880670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884969 (or 1884966 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 11365880670 in words is "eleven billion, three hundred sixty-five million, eight hundred eighty thousand, six hundred seventy".