105125554133 has 4 divisors (see below), whose sum is σ = 105127693068. Its totient is φ = 105123415200.

The previous prime is 105125554069. The next prime is 105125554139. The reversal of 105125554133 is 331455521501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 98431532644 + 6694021489 = 313738^2 + 81817^2 .

It is a cyclic number.

It is not a de Polignac number, because 105125554133 - 2⁶ = 105125554069 is a prime.

It is a super-2 number, since 2×105125554133² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105125554093 and 105125554102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105125554139) 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, 993968 + ... + 1094633.

It is an arithmetic number, because the mean of its divisors is an integer number (26281923267).

Almost surely, 2^105125554133 is an apocalyptic number.

It is an amenable number.

105125554133 is a deficient number, since it is larger than the sum of its proper divisors (2138935).

105125554133 is an equidigital number, since it uses as much as digits as its factorization.

105125554133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138934.

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 105125554133 in words is "one hundred five billion, one hundred twenty-five million, five hundred fifty-four thousand, one hundred thirty-three".