105430253542 has 4 divisors (see below), whose sum is σ = 158145380316. Its totient is φ = 52715126770.

The previous prime is 105430253527. The next prime is 105430253561. The reversal of 105430253542 is 245352034501.

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

It is a super-2 number, since 2×105430253542² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105430253498 and 105430253507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26357563384 + ... + 26357563387.

It is an arithmetic number, because the mean of its divisors is an integer number (39536345079).

Almost surely, 2^105430253542 is an apocalyptic number.

105430253542 is a deficient number, since it is larger than the sum of its proper divisors (52715126774).

105430253542 is an equidigital number, since it uses as much as digits as its factorization.

105430253542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52715126773.

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 105430253542 in words is "one hundred five billion, four hundred thirty million, two hundred fifty-three thousand, five hundred forty-two".