105420518852 has 12 divisors (see below), whose sum is σ = 201257354256. Its totient is φ = 47918417640.

The previous prime is 105420518809. The next prime is 105420518857. The reversal of 105420518852 is 258815024501.

It is a super-2 number, since 2×105420518852² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105420518857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1197960398 + ... + 1197960485.

It is an arithmetic number, because the mean of its divisors is an integer number (16771446188).

Almost surely, 2^105420518852 is an apocalyptic number.

It is an amenable number.

105420518852 is a deficient number, since it is larger than the sum of its proper divisors (95836835404).

105420518852 is a wasteful number, since it uses less digits than its factorization.

105420518852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395920898 (or 2395920896 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 41.

The spelling of 105420518852 in words is "one hundred five billion, four hundred twenty million, five hundred eighteen thousand, eight hundred fifty-two".