1252231411166 has 8 divisors (see below), whose sum is σ = 1880075130240. Its totient is φ = 625539701088.

The previous prime is 1252231411153. The next prime is 1252231411177. The reversal of 1252231411166 is 6611141322521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1252231411166² (a number of 25 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 3 ways as a sum of consecutive naturals, for example, 287999531 + ... + 288003878.

It is an arithmetic number, because the mean of its divisors is an integer number (235009391280).

Almost surely, 2^{1252231411166} is an apocalyptic number.

1252231411166 is a deficient number, since it is larger than the sum of its proper divisors (627843719074).

1252231411166 is a wasteful number, since it uses less digits than its factorization.

1252231411166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576004498.

The product of its digits is 17280, while the sum is 35.

Adding to 1252231411166 its reverse (6611141322521), we get a palindrome (7863372733687).

The spelling of 1252231411166 in words is "one trillion, two hundred fifty-two billion, two hundred thirty-one million, four hundred eleven thousand, one hundred sixty-six".