1252422216055 has 8 divisors (see below), whose sum is σ = 1504454457744. Its totient is φ = 1000905907200.

The previous prime is 1252422216047. The next prime is 1252422216083. The reversal of 1252422216055 is 5506122242521.

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

It is not a de Polignac number, because 1252422216055 - 2³ = 1252422216047 is a prime.

It is a super-2 number, since 2×1252422216055² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

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, 128977866 + ... + 128987575.

It is an arithmetic number, because the mean of its divisors is an integer number (188056807218).

Almost surely, 2^{1252422216055} is an apocalyptic number.

1252422216055 is a deficient number, since it is larger than the sum of its proper divisors (252032241689).

1252422216055 is an equidigital number, since it uses as much as digits as its factorization.

1252422216055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257966417.

The product of its (nonzero) digits is 96000, while the sum is 37.

Adding to 1252422216055 its reverse (5506122242521), we get a palindrome (6758544458576).

The spelling of 1252422216055 in words is "one trillion, two hundred fifty-two billion, four hundred twenty-two million, two hundred sixteen thousand, fifty-five".