1535500232231 has 16 divisors (see below), whose sum is σ = 1763995968000. Its totient is φ = 1309291540128.

The previous prime is 1535500232219. The next prime is 1535500232237. The reversal of 1535500232231 is 1322320055351.

It is a cyclic number.

It is not a de Polignac number, because 1535500232231 - 2¹⁸ = 1535499970087 is a prime.

It is a super-2 number, since 2×1535500232231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1535500232237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7799696 + ... + 7994138.

It is an arithmetic number, because the mean of its divisors is an integer number (110249748000).

Almost surely, 2^{1535500232231} is an apocalyptic number.

1535500232231 is a deficient number, since it is larger than the sum of its proper divisors (228495735769).

1535500232231 is a wasteful number, since it uses less digits than its factorization.

1535500232231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200318.

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 1535500232231 its reverse (1322320055351), we get a palindrome (2857820287582).

The spelling of 1535500232231 in words is "one trillion, five hundred thirty-five billion, five hundred million, two hundred thirty-two thousand, two hundred thirty-one".