1145531503244 has 24 divisors (see below), whose sum is σ = 2042568744048. Its totient is φ = 561941115840.

The previous prime is 1145531503223. The next prime is 1145531503267. The reversal of 1145531503244 is 4423051355411.

It is a junction number, because it is equal to n+sod(n) for n = 1145531503198 and 1145531503207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8852699 + ... + 8981165.

It is an arithmetic number, because the mean of its divisors is an integer number (85107031002).

Almost surely, 2^{1145531503244} is an apocalyptic number.

It is an amenable number.

1145531503244 is a deficient number, since it is larger than the sum of its proper divisors (897037240804).

1145531503244 is a wasteful number, since it uses less digits than its factorization.

1145531503244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170585 (or 170583 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 1145531503244 its reverse (4423051355411), we get a palindrome (5568582858655).

The spelling of 1145531503244 in words is "one trillion, one hundred forty-five billion, five hundred thirty-one million, five hundred three thousand, two hundred forty-four".