11971559745230 has 16 divisors (see below), whose sum is σ = 22131207745920. Its totient is φ = 4659201630432.

The previous prime is 11971559745217. The next prime is 11971559745241. The reversal of 11971559745230 is 3254795517911.

It is a happy number.

11971559745230 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 2×11971559745230² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11971559745230.

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, 16177783070 + ... + 16177783809.

It is an arithmetic number, because the mean of its divisors is an integer number (1383200484120).

Almost surely, 2^{11971559745230} is an apocalyptic number.

11971559745230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11971559745230 is a deficient number, since it is larger than the sum of its proper divisors (10159648000690).

11971559745230 is a wasteful number, since it uses less digits than its factorization.

11971559745230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32355566923.

The product of its (nonzero) digits is 11907000, while the sum is 59.

The spelling of 11971559745230 in words is "eleven trillion, nine hundred seventy-one billion, five hundred fifty-nine million, seven hundred forty-five thousand, two hundred thirty".