15122230030066 has 4 divisors (see below), whose sum is σ = 22683345045102. Its totient is φ = 7561115015032.

The previous prime is 15122230030051. The next prime is 15122230030079. The reversal of 15122230030066 is 66003003222151.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14678254350841 + 443975679225 = 3831221^2 + 666315^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3780557507515 + ... + 3780557507518.

Almost surely, 2^{15122230030066} is an apocalyptic number.

15122230030066 is a deficient number, since it is larger than the sum of its proper divisors (7561115015036).

15122230030066 is an equidigital number, since it uses as much as digits as its factorization.

15122230030066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7561115015035.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 15122230030066 in words is "fifteen trillion, one hundred twenty-two billion, two hundred thirty million, thirty thousand, sixty-six".