1142637481855 has 16 divisors (see below), whose sum is σ = 1384684314624. Its totient is φ = 905099749920.

The previous prime is 1142637481819. The next prime is 1142637481907. The reversal of 1142637481855 is 5581847362411.

It is not a de Polignac number, because 1142637481855 - 2²³ = 1142629093247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1142637481796 and 1142637481805.

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, 3353410 + ... + 3678400.

It is an arithmetic number, because the mean of its divisors is an integer number (86542769664).

Almost surely, 2^{1142637481855} is an apocalyptic number.

1142637481855 is a deficient number, since it is larger than the sum of its proper divisors (242046832769).

1142637481855 is a wasteful number, since it uses less digits than its factorization.

1142637481855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331926.

The product of its digits is 6451200, while the sum is 55.

The spelling of 1142637481855 in words is "one trillion, one hundred forty-two billion, six hundred thirty-seven million, four hundred eighty-one thousand, eight hundred fifty-five".