105131030400052 has 24 divisors (see below), whose sum is σ = 194546171135232. Its totient is φ = 49629125284800.

The previous prime is 105131030400043. The next prime is 105131030400103. The reversal of 105131030400052 is 250004030131501.

It is a happy number.

It is a super-2 number, since 2×105131030400052² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10339396018 + ... + 10339406185.

It is an arithmetic number, because the mean of its divisors is an integer number (8106090463968).

Almost surely, 2^{105131030400052} is an apocalyptic number.

It is an amenable number.

105131030400052 is a deficient number, since it is larger than the sum of its proper divisors (89415140735180).

105131030400052 is a wasteful number, since it uses less digits than its factorization.

105131030400052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20678802279 (or 20678802277 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 105131030400052 its reverse (250004030131501), we get a palindrome (355135060531553).

The spelling of 105131030400052 in words is "one hundred five trillion, one hundred thirty-one billion, thirty million, four hundred thousand, fifty-two".