105042030051 has 12 divisors (see below), whose sum is σ = 162922332552. Its totient is φ = 60024017088.

The previous prime is 105042030029. The next prime is 105042030059. The reversal of 105042030051 is 150030240501.

It is not a de Polignac number, because 105042030051 - 2⁵ = 105042030019 is a prime.

It is a super-2 number, since 2×105042030051² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (105042030059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 357285670 + ... + 357285963.

It is an arithmetic number, because the mean of its divisors is an integer number (13576861046).

Almost surely, 2^105042030051 is an apocalyptic number.

105042030051 is a deficient number, since it is larger than the sum of its proper divisors (57880302501).

105042030051 is an equidigital number, since it uses as much as digits as its factorization.

105042030051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714571650 (or 714571643 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 105042030051 its reverse (150030240501), we get a palindrome (255072270552).

The spelling of 105042030051 in words is "one hundred five billion, forty-two million, thirty thousand, fifty-one".