1142531540505 has 24 divisors (see below), whose sum is σ = 1980493516872. Its totient is φ = 609317689344.

The previous prime is 1142531540473. The next prime is 1142531540519. The reversal of 1142531540505 is 5050451352411.

1142531540505 is a `hidden beast` number, since 1 + 14 + 2 + 53 + 1 + 540 + 50 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1984435209 + 1140547105296 = 44547^2 + 1067964^2 .

It is not a de Polignac number, because 1142531540505 - 2⁵ = 1142531540473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1142531540505.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189817 + ... + 1523513.

It is an arithmetic number, because the mean of its divisors is an integer number (82520563203).

Almost surely, 2^{1142531540505} is an apocalyptic number.

1142531540505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1142531540505 is a deficient number, since it is larger than the sum of its proper divisors (837961976367).

1142531540505 is a wasteful number, since it uses less digits than its factorization.

1142531540505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352745 (or 1352742 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 1142531540505 its reverse (5050451352411), we get a palindrome (6192982892916).

The spelling of 1142531540505 in words is "one trillion, one hundred forty-two billion, five hundred thirty-one million, five hundred forty thousand, five hundred five".