2145531111435 has 48 divisors (see below), whose sum is σ = 3735860693760. Its totient is φ = 1139072435520.

The previous prime is 2145531111407. The next prime is 2145531111481. The reversal of 2145531111435 is 5341111355412.

2145531111435 is a `hidden beast` number, since 2 + 1 + 4 + 5 + 531 + 1 + 114 + 3 + 5 = 666.

It is not a de Polignac number, because 2145531111435 - 2¹⁶ = 2145531045899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2145531111435.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 99268780 + ... + 99290390.

It is an arithmetic number, because the mean of its divisors is an integer number (77830431120).

Almost surely, 2^{2145531111435} is an apocalyptic number.

2145531111435 is a deficient number, since it is larger than the sum of its proper divisors (1590329582325).

2145531111435 is a wasteful number, since it uses less digits than its factorization.

2145531111435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31568 (or 31565 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

Adding to 2145531111435 its reverse (5341111355412), we get a palindrome (7486642466847).

The spelling of 2145531111435 in words is "two trillion, one hundred forty-five billion, five hundred thirty-one million, one hundred eleven thousand, four hundred thirty-five".