113505133525 has 48 divisors (see below), whose sum is σ = 161974275840. Its totient is φ = 77291481600.

The previous prime is 113505133523. The next prime is 113505133549. The reversal of 113505133525 is 525331505311.

It is not a de Polignac number, because 113505133525 - 2¹ = 113505133523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113505133523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15071961 + ... + 15079489.

It is an arithmetic number, because the mean of its divisors is an integer number (3374464080).

Almost surely, 2^113505133525 is an apocalyptic number.

It is an amenable number.

113505133525 is a deficient number, since it is larger than the sum of its proper divisors (48469142315).

113505133525 is a wasteful number, since it uses less digits than its factorization.

113505133525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8134 (or 8129 counting only the distinct ones).

The product of its (nonzero) digits is 33750, while the sum is 34.

Adding to 113505133525 its reverse (525331505311), we get a palindrome (638836638836).

The spelling of 113505133525 in words is "one hundred thirteen billion, five hundred five million, one hundred thirty-three thousand, five hundred twenty-five".