11808037907385 has 32 divisors (see below), whose sum is σ = 19753021082880. Its totient is φ = 6011975954688.

The previous prime is 11808037907269. The next prime is 11808037907399. The reversal of 11808037907385 is 58370973080811.

It is not a de Polignac number, because 11808037907385 - 2¹¹ = 11808037905337 is a prime.

It is a super-2 number, since 2×11808037907385² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33445414 + ... + 33796623.

It is an arithmetic number, because the mean of its divisors is an integer number (617281908840).

Almost surely, 2^{11808037907385} is an apocalyptic number.

11808037907385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11808037907385 is a deficient number, since it is larger than the sum of its proper divisors (7944983175495).

11808037907385 is a wasteful number, since it uses less digits than its factorization.

11808037907385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67242577.

The product of its (nonzero) digits is 10160640, while the sum is 60.

The spelling of 11808037907385 in words is "eleven trillion, eight hundred eight billion, thirty-seven million, nine hundred seven thousand, three hundred eighty-five".