11809373589430 has 16 divisors (see below), whose sum is σ = 21261041384400. Its totient is φ = 4722823008352.

The previous prime is 11809373589379. The next prime is 11809373589491. The reversal of 11809373589430 is 3498537390811.

It is a happy number.

It is a super-2 number, since 2×11809373589430² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115749889 + ... + 115851868.

It is an arithmetic number, because the mean of its divisors is an integer number (1328815086525).

Almost surely, 2^{11809373589430} is an apocalyptic number.

11809373589430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11809373589430 is a deficient number, since it is larger than the sum of its proper divisors (9451667794970).

11809373589430 is a wasteful number, since it uses less digits than its factorization.

11809373589430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231606863.

The product of its (nonzero) digits is 19595520, while the sum is 61.

The spelling of 11809373589430 in words is "eleven trillion, eight hundred nine billion, three hundred seventy-three million, five hundred eighty-nine thousand, four hundred thirty".