105525402403 has 4 divisors (see below), whose sum is σ = 105528007288. Its totient is φ = 105522797520.

The previous prime is 105525402349. The next prime is 105525402407. The reversal of 105525402403 is 304204525501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105525402403 - 2²⁹ = 104988531491 is a prime.

It is a super-2 number, since 2×105525402403² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105525402407) 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 3 ways as a sum of consecutive naturals, for example, 1240701 + ... + 1323022.

It is an arithmetic number, because the mean of its divisors is an integer number (26382001822).

Almost surely, 2^105525402403 is an apocalyptic number.

105525402403 is a deficient number, since it is larger than the sum of its proper divisors (2604885).

105525402403 is an equidigital number, since it uses as much as digits as its factorization.

105525402403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604884.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 105525402403 its reverse (304204525501), we get a palindrome (409729927904).

The spelling of 105525402403 in words is "one hundred five billion, five hundred twenty-five million, four hundred two thousand, four hundred three".