142211400655 has 16 divisors (see below), whose sum is σ = 171274332960. Its totient is φ = 113355994752.

The previous prime is 142211400623. The next prime is 142211400679. The reversal of 142211400655 is 556004112241.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 142211400655 - 2⁵ = 142211400623 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1760901 + ... + 1839889.

It is an arithmetic number, because the mean of its divisors is an integer number (10704645810).

Almost surely, 2^142211400655 is an apocalyptic number.

142211400655 is a deficient number, since it is larger than the sum of its proper divisors (29062932305).

142211400655 is an equidigital number, since it uses as much as digits as its factorization.

142211400655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80298.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 142211400655 its reverse (556004112241), we get a palindrome (698215512896).

The spelling of 142211400655 in words is "one hundred forty-two billion, two hundred eleven million, four hundred thousand, six hundred fifty-five".