1012642424155 has 16 divisors (see below), whose sum is σ = 1268996014080. Its totient is φ = 774285624288.

The previous prime is 1012642424153. The next prime is 1012642424161. The reversal of 1012642424155 is 5514242462101.

It is a cyclic number.

It is not a de Polignac number, because 1012642424155 - 2¹ = 1012642424153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012642424153) 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, 3295287 + ... + 3589456.

It is an arithmetic number, because the mean of its divisors is an integer number (79312250880).

Almost surely, 2^{1012642424155} is an apocalyptic number.

1012642424155 is a deficient number, since it is larger than the sum of its proper divisors (256353589925).

1012642424155 is a wasteful number, since it uses less digits than its factorization.

1012642424155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6886050.

The product of its (nonzero) digits is 76800, while the sum is 37.

Adding to 1012642424155 its reverse (5514242462101), we get a palindrome (6526884886256).

The spelling of 1012642424155 in words is "one trillion, twelve billion, six hundred forty-two million, four hundred twenty-four thousand, one hundred fifty-five".