105342602251 has 4 divisors (see below), whose sum is σ = 105449767632. Its totient is φ = 105235436872.

The previous prime is 105342602221. The next prime is 105342602333. The reversal of 105342602251 is 152206243501.

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 105342602251 - 2¹¹ = 105342600203 is a prime.

It is a super-2 number, since 2×105342602251² (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 (105342602221) 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, 53581216 + ... + 53583181.

It is an arithmetic number, because the mean of its divisors is an integer number (26362441908).

Almost surely, 2^105342602251 is an apocalyptic number.

105342602251 is a deficient number, since it is larger than the sum of its proper divisors (107165381).

105342602251 is an equidigital number, since it uses as much as digits as its factorization.

105342602251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107165380.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 105342602251 its reverse (152206243501), we get a palindrome (257548845752).

The spelling of 105342602251 in words is "one hundred five billion, three hundred forty-two million, six hundred two thousand, two hundred fifty-one".