1146642420255 has 16 divisors (see below), whose sum is σ = 1847826637440. Its totient is φ = 607143035808.

The previous prime is 1146642420251. The next prime is 1146642420281. The reversal of 1146642420255 is 5520242466411.

It is not a de Polignac number, because 1146642420255 - 2² = 1146642420251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146642420251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274972117 + ... + 274976286.

It is an arithmetic number, because the mean of its divisors is an integer number (115489164840).

Almost surely, 2^{1146642420255} is an apocalyptic number.

1146642420255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1146642420255 is a deficient number, since it is larger than the sum of its proper divisors (701184217185).

1146642420255 is a wasteful number, since it uses less digits than its factorization.

1146642420255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549948550.

The product of its (nonzero) digits is 460800, while the sum is 42.

Adding to 1146642420255 its reverse (5520242466411), we get a palindrome (6666884886666).

The spelling of 1146642420255 in words is "one trillion, one hundred forty-six billion, six hundred forty-two million, four hundred twenty thousand, two hundred fifty-five".